If a and B are opposite numbers, C and D are reciprocal numbers, and | 2m + 3 | = 0, the value of 7 (a + b) 2m-3 MCD is obtained

If a and B are opposite numbers, C and D are reciprocal numbers, and | 2m + 3 | = 0, the value of 7 (a + b) 2m-3 MCD is obtained

It is known that: a + B = 0. (1 point) CD = 1. (2 points) 2m + 3 = 0, that is, M = − 32. (3 points) ℅ 7 (a + b) 2m − 3mcd = 7 × 0 − 3 − 3 × (− 32) × 1 = 92. (6 points)

Given that a, B are opposite numbers and C, D are reciprocal numbers, and | 2m + 3 | = 1, find the value of 7 (a + b) - 3mcd of 2m

|2m + 3 | = 0 ', then M = - 1.5
AB is opposite to each other, a + B = 0
CD is reciprocal, CD = 1
So 7 (a + b) / 2m-3mcd = 7 * 0 / 2 * (- 1.5) - 3 * (- 1.5) * 1 = 4.5

Let | 2m + 3 | = 0 be 7 (a + b) / 2m-3 MCD

|2m + 3 | = 0 ', then M = - 1.5 AB is opposite to each other, a + B = 0, CD is reciprocal to each other, CD = 1, so 7 (a + b) / 2m-3mcd = 7 * 0 / 2 * (- 1.5) - 3 * (- 1.5) * 1 = 4.5

Given that a and B are opposite to each other, C and D are reciprocal to each other, | m | = 1, find the value of 2-1 (a + B-1) + 2m
Given that a and B are opposite to each other, C and D are reciprocal to each other, | m | = 1, find the value of half multiplication (a + B-1) + 3CD + 2m

A. B is opposite to each other, a + B = 0
C. D reciprocal CD = 1
Half by (a + B-1) + 3CD + 2m = 1 / 2 * (- 1) + 3 +, - 2 = 4 and half or half

If M and N are opposite to each other, what is the value of 2m-5 + 2n?
I can't do it

-5, 2M and 2n cancel out

Given that a, B are opposite to each other, m and N are reciprocal to each other, find the value of N + (- 2m). N of (a + b). M

a. B is opposite to each other, a + B = 0, so this problem is equal to 0

If the reciprocal of 5 / M and 2m-9 / 5 are opposite, then M = ()

That is m / 5 + (2m-9) / 5 = 0
Multiply by 5 on both sides
m+2m-9=0
3m=9
m=3

If a and B are opposite to each other, C and D are negative reciprocal to each other, and the absolute value of M is 2, find the value of (a + b) (a-b) + (1-2m + m) / (CD) to the power of 2004, and ask the great God for help

The answer is 1

If the abscissa and ordinate of point P (m, 1-2m) are opposite to each other, then point P must be in ()
A. First quadrant B. second quadrant C. third quadrant D. fourth quadrant

The abscissa and ordinate of point P (m, 1-2m) are opposite to each other, and the solution is m = 1, that is, 1-2m = - 1, the coordinate of point P is (1, - 1), and point P is in the fourth quadrant

If 3-m and 2m + 1 are opposite to each other, then M=______ ．

According to the fact that 3-m and 2m + 1 are opposite to each other, the equation 3-m = - (2m + 1) can be set up. Remove the brackets, and get 3-m = - 2m-1. Move the term and merge the similar terms, and get m = - 4