-18=x+3-8x

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Solution for -18=x+3-8x equation:


Simplifying
-18 = x + 3 + -8x

Reorder the terms:
-18 = 3 + x + -8x

Combine like terms: x + -8x = -7x
-18 = 3 + -7x

Solving
-18 = 3 + -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.
-18 + 7x = 3 + -7x + 7x

Combine like terms: -7x + 7x = 0
-18 + 7x = 3 + 0
-18 + 7x = 3

Add '18' to each side of the equation.
-18 + 18 + 7x = 3 + 18

Combine like terms: -18 + 18 = 0
0 + 7x = 3 + 18
7x = 3 + 18

Combine like terms: 3 + 18 = 21
7x = 21

Divide each side by '7'.
x = 3

Simplifying
x = 3

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