Calculation - 2x - (3x-3) calculation -2x-(3x-3)

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• 1. How to calculate 2x = 3x-250
• 2. How about 3x-20-2x = 26,
• 3. 3-5 x + 3 = 2x-10 3x-2
• 4. Calculation problem; X - (3x-2) + (2x-3) where x = - 1; use the original solution; to process Oh!
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• 6. 1/6（3x+2)_ 1/5(2x_ 8)=1/4(3x+7)
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• 9. Given (4x ^ 2 + 11xy-3y ^ 2) / (x + 3Y), find the minimum value of Y ^ 2 + 8x, good to add, fast Correct: given (4x ^ 2 + 11xy-3y ^ 2) / (x + 3Y) = 0, find the minimum value of Y ^ 2 + 8x
• 10. The coefficients of the numerator and denominator of the fractional formula (1 / 2x-1 / 8y) / (- 1 / 2x + 2Y) are changed into integers, and the first coefficient does not contain The result is negative
• 11. (3x ^ 2-2x + 1) · 3x calculation （6a^3b^2-9a^2b+3ab）÷3ab (2m+3)^2-3m(m-2)-(m+2)(m-2) [(3x-2)^2-(2x+1)(2x-1)]·3x
• 12. -1 / 2x square + 3x = 9 / 2 This is a quadratic equation of one variable, solved by collocation method!
• 13. Solve the equation 3x + 2x = 0.9
• 14. If 2x + 6 = 18, then 3x + 15 = ()
• 15. The lengths of the three sides of the triangle are (2x + 1) cm, (3x-2) cm and (8-2x) cm respectively Finding the circumference of a triangle If x = 3, what is the circumference of the triangle in cm
• 16. 2X of 3 + 1 of 2 + 1 of 7 = 33
• 17. How to solve 3 / 2x-3 / 1y = 7 - 3 / 1X + y = - 13 quadratic equation?
• 18. 4 X-1 is less than 8 x + 3, 5 X-10 2x-7 is greater than or equal to - 20 X Solving the system of inequalities
• 19. 1 X-7 of 2 = 9 X-2 of 6? 1 X-2 of 5 (3-2x) = 1?
• 20. Seven out of 24 divided by 0.875 is equal to?