(9x-42)=(x+15)

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Solution for (9x-42)=(x+15) equation:


Simplifying
(9x + -42) = (x + 15)

Reorder the terms:
(-42 + 9x) = (x + 15)

Remove parenthesis around (-42 + 9x)
-42 + 9x = (x + 15)

Reorder the terms:
-42 + 9x = (15 + x)

Remove parenthesis around (15 + x)
-42 + 9x = 15 + x

Solving
-42 + 9x = 15 + 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 + 9x + -1x = 15 + x + -1x

Combine like terms: 9x + -1x = 8x
-42 + 8x = 15 + x + -1x

Combine like terms: x + -1x = 0
-42 + 8x = 15 + 0
-42 + 8x = 15

Add '42' to each side of the equation.
-42 + 42 + 8x = 15 + 42

Combine like terms: -42 + 42 = 0
0 + 8x = 15 + 42
8x = 15 + 42

Combine like terms: 15 + 42 = 57
8x = 57

Divide each side by '8'.
x = 7.125

Simplifying
x = 7.125

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