-13=4x-7x+8

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Solution for -13=4x-7x+8 equation:


Simplifying
-13 = 4x + -7x + 8

Reorder the terms:
-13 = 8 + 4x + -7x

Combine like terms: 4x + -7x = -3x
-13 = 8 + -3x

Solving
-13 = 8 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
-13 + 3x = 8 + -3x + 3x

Combine like terms: -3x + 3x = 0
-13 + 3x = 8 + 0
-13 + 3x = 8

Add '13' to each side of the equation.
-13 + 13 + 3x = 8 + 13

Combine like terms: -13 + 13 = 0
0 + 3x = 8 + 13
3x = 8 + 13

Combine like terms: 8 + 13 = 21
3x = 21

Divide each side by '3'.
x = 7

Simplifying
x = 7

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