-66-x=-8x+81

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Solution for -66-x=-8x+81 equation:


Simplifying
-66 + -1x = -8x + 81

Reorder the terms:
-66 + -1x = 81 + -8x

Solving
-66 + -1x = 81 + -8x

Solving for variable 'x'.

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

Add '8x' to each side of the equation.
-66 + -1x + 8x = 81 + -8x + 8x

Combine like terms: -1x + 8x = 7x
-66 + 7x = 81 + -8x + 8x

Combine like terms: -8x + 8x = 0
-66 + 7x = 81 + 0
-66 + 7x = 81

Add '66' to each side of the equation.
-66 + 66 + 7x = 81 + 66

Combine like terms: -66 + 66 = 0
0 + 7x = 81 + 66
7x = 81 + 66

Combine like terms: 81 + 66 = 147
7x = 147

Divide each side by '7'.
x = 21

Simplifying
x = 21

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