8-9(x+7)=1-x

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Solution for 8-9(x+7)=1-x equation:


Simplifying
8 + -9(x + 7) = 1 + -1x

Reorder the terms:
8 + -9(7 + x) = 1 + -1x
8 + (7 * -9 + x * -9) = 1 + -1x
8 + (-63 + -9x) = 1 + -1x

Combine like terms: 8 + -63 = -55
-55 + -9x = 1 + -1x

Solving
-55 + -9x = 1 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
-55 + -9x + x = 1 + -1x + x

Combine like terms: -9x + x = -8x
-55 + -8x = 1 + -1x + x

Combine like terms: -1x + x = 0
-55 + -8x = 1 + 0
-55 + -8x = 1

Add '55' to each side of the equation.
-55 + 55 + -8x = 1 + 55

Combine like terms: -55 + 55 = 0
0 + -8x = 1 + 55
-8x = 1 + 55

Combine like terms: 1 + 55 = 56
-8x = 56

Divide each side by '-8'.
x = -7

Simplifying
x = -7

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