-7-8=-7X+13

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Solution for -7-8=-7X+13 equation:


Simplifying
-7 + -8 = -7X + 13

Combine like terms: -7 + -8 = -15
-15 = -7X + 13

Reorder the terms:
-15 = 13 + -7X

Solving
-15 = 13 + -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.
-15 + 7X = 13 + -7X + 7X

Combine like terms: -7X + 7X = 0
-15 + 7X = 13 + 0
-15 + 7X = 13

Add '15' to each side of the equation.
-15 + 15 + 7X = 13 + 15

Combine like terms: -15 + 15 = 0
0 + 7X = 13 + 15
7X = 13 + 15

Combine like terms: 13 + 15 = 28
7X = 28

Divide each side by '7'.
X = 4

Simplifying
X = 4

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