8x-42=x-63

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Solution for 8x-42=x-63 equation:


Simplifying
8x + -42 = x + -63

Reorder the terms:
-42 + 8x = x + -63

Reorder the terms:
-42 + 8x = -63 + x

Solving
-42 + 8x = -63 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-42 + 8x + -1x = -63 + x + -1x

Combine like terms: 8x + -1x = 7x
-42 + 7x = -63 + x + -1x

Combine like terms: x + -1x = 0
-42 + 7x = -63 + 0
-42 + 7x = -63

Add '42' to each side of the equation.
-42 + 42 + 7x = -63 + 42

Combine like terms: -42 + 42 = 0
0 + 7x = -63 + 42
7x = -63 + 42

Combine like terms: -63 + 42 = -21
7x = -21

Divide each side by '7'.
x = -3

Simplifying
x = -3

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