15x-7=57-x

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Solution for 15x-7=57-x equation:


Simplifying
15x + -7 = 57 + -1x

Reorder the terms:
-7 + 15x = 57 + -1x

Solving
-7 + 15x = 57 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
-7 + 15x + x = 57 + -1x + x

Combine like terms: 15x + x = 16x
-7 + 16x = 57 + -1x + x

Combine like terms: -1x + x = 0
-7 + 16x = 57 + 0
-7 + 16x = 57

Add '7' to each side of the equation.
-7 + 7 + 16x = 57 + 7

Combine like terms: -7 + 7 = 0
0 + 16x = 57 + 7
16x = 57 + 7

Combine like terms: 57 + 7 = 64
16x = 64

Divide each side by '16'.
x = 4

Simplifying
x = 4

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