36.8+x=83.2

36.8+x=83.2
Solution: x = 83.2-36.8
x=46.4

36.8 + x = 83.2 solving equation

x=83.2-36.8=46.4

Solving an equation x * x = 4x

x²-4x=0
x（x-4）=0
x1=4
x2=0

How to solve the equation 4x-x-1 / 3 = 2 / 3

4x-x-1/3=2/3
4x-x=2/3+1/3
3x=1
x=1/3

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