12+13=7x-7

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Solution for 12+13=7x-7 equation: 


Simplifying
12 + 13 = 7x + -7

Combine like terms: 12 + 13 = 25
25 = 7x + -7

Reorder the terms:
25 = -7 + 7x

Solving
25 = -7 + 7x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-7x' to each side of the equation.
25 + -7x = -7 + 7x + -7x

Combine like terms: 7x + -7x = 0
25 + -7x = -7 + 0
25 + -7x = -7

Add '-25' to each side of the equation.
25 + -25 + -7x = -7 + -25

Combine like terms: 25 + -25 = 0
0 + -7x = -7 + -25
-7x = -7 + -25

Combine like terms: -7 + -25 = -32
-7x = -32

Divide each side by '-7'.
x = 4.571428571

Simplifying
x = 4.571428571

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