-X-30=7X+66

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Solution for -X-30=7X+66 equation:


Simplifying
-1X + -30 = 7X + 66

Reorder the terms:
-30 + -1X = 7X + 66

Reorder the terms:
-30 + -1X = 66 + 7X

Solving
-30 + -1X = 66 + 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.
-30 + -1X + -7X = 66 + 7X + -7X

Combine like terms: -1X + -7X = -8X
-30 + -8X = 66 + 7X + -7X

Combine like terms: 7X + -7X = 0
-30 + -8X = 66 + 0
-30 + -8X = 66

Add '30' to each side of the equation.
-30 + 30 + -8X = 66 + 30

Combine like terms: -30 + 30 = 0
0 + -8X = 66 + 30
-8X = 66 + 30

Combine like terms: 66 + 30 = 96
-8X = 96

Divide each side by '-8'.
X = -12

Simplifying
X = -12

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