7x-42=-30-x

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


Simplifying
7x + -42 = -30 + -1x

Reorder the terms:
-42 + 7x = -30 + -1x

Solving
-42 + 7x = -30 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
-42 + 7x + x = -30 + -1x + x

Combine like terms: 7x + x = 8x
-42 + 8x = -30 + -1x + x

Combine like terms: -1x + x = 0
-42 + 8x = -30 + 0
-42 + 8x = -30

Add '42' to each side of the equation.
-42 + 42 + 8x = -30 + 42

Combine like terms: -42 + 42 = 0
0 + 8x = -30 + 42
8x = -30 + 42

Combine like terms: -30 + 42 = 12
8x = 12

Divide each side by '8'.
x = 1.5

Simplifying
x = 1.5

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