-7=3(x-5)-x

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Solution for -7=3(x-5)-x equation:


Simplifying
-7 = 3(x + -5) + -1x

Reorder the terms:
-7 = 3(-5 + x) + -1x
-7 = (-5 * 3 + x * 3) + -1x
-7 = (-15 + 3x) + -1x

Combine like terms: 3x + -1x = 2x
-7 = -15 + 2x

Solving
-7 = -15 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-7 + -2x = -15 + 2x + -2x

Combine like terms: 2x + -2x = 0
-7 + -2x = -15 + 0
-7 + -2x = -15

Add '7' to each side of the equation.
-7 + 7 + -2x = -15 + 7

Combine like terms: -7 + 7 = 0
0 + -2x = -15 + 7
-2x = -15 + 7

Combine like terms: -15 + 7 = -8
-2x = -8

Divide each side by '-2'.
x = 4

Simplifying
x = 4

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