-81-7x=-63-8x

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Solution for -81-7x=-63-8x equation:


Simplifying
-81 + -7x = -63 + -8x

Solving
-81 + -7x = -63 + -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.
-81 + -7x + 8x = -63 + -8x + 8x

Combine like terms: -7x + 8x = 1x
-81 + 1x = -63 + -8x + 8x

Combine like terms: -8x + 8x = 0
-81 + 1x = -63 + 0
-81 + 1x = -63

Add '81' to each side of the equation.
-81 + 81 + 1x = -63 + 81

Combine like terms: -81 + 81 = 0
0 + 1x = -63 + 81
1x = -63 + 81

Combine like terms: -63 + 81 = 18
1x = 18

Divide each side by '1'.
x = 18

Simplifying
x = 18

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