15+7X-7=

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Solution for 15+7X-7= equation:


Simplifying
15 + 7X + -7 = 0

Reorder the terms:
15 + -7 + 7X = 0

Combine like terms: 15 + -7 = 8
8 + 7X = 0

Solving
8 + 7X = 0

Solving for variable 'X'.

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

Add '-8' to each side of the equation.
8 + -8 + 7X = 0 + -8

Combine like terms: 8 + -8 = 0
0 + 7X = 0 + -8
7X = 0 + -8

Combine like terms: 0 + -8 = -8
7X = -8

Divide each side by '7'.
X = -1.142857143

Simplifying
X = -1.142857143

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