-7x-42=5x-30

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Solution for -7x-42=5x-30 equation:


Simplifying
-7x + -42 = 5x + -30

Reorder the terms:
-42 + -7x = 5x + -30

Reorder the terms:
-42 + -7x = -30 + 5x

Solving
-42 + -7x = -30 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
-42 + -7x + -5x = -30 + 5x + -5x

Combine like terms: -7x + -5x = -12x
-42 + -12x = -30 + 5x + -5x

Combine like terms: 5x + -5x = 0
-42 + -12x = -30 + 0
-42 + -12x = -30

Add '42' to each side of the equation.
-42 + 42 + -12x = -30 + 42

Combine like terms: -42 + 42 = 0
0 + -12x = -30 + 42
-12x = -30 + 42

Combine like terms: -30 + 42 = 12
-12x = 12

Divide each side by '-12'.
x = -1

Simplifying
x = -1

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