-113-7X=8X+21

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Solution for -113-7X=8X+21 equation:


Simplifying
-113 + -7X = 8X + 21

Reorder the terms:
-113 + -7X = 21 + 8X

Solving
-113 + -7X = 21 + 8X

Solving for variable 'X'.

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

Add '-8X' to each side of the equation.
-113 + -7X + -8X = 21 + 8X + -8X

Combine like terms: -7X + -8X = -15X
-113 + -15X = 21 + 8X + -8X

Combine like terms: 8X + -8X = 0
-113 + -15X = 21 + 0
-113 + -15X = 21

Add '113' to each side of the equation.
-113 + 113 + -15X = 21 + 113

Combine like terms: -113 + 113 = 0
0 + -15X = 21 + 113
-15X = 21 + 113

Combine like terms: 21 + 113 = 134
-15X = 134

Divide each side by '-15'.
X = -8.933333333

Simplifying
X = -8.933333333

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