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

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


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

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

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

Reorder the terms:
-8 + 7 + 8x + -7x = -7

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

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

Solving
-1 + 1x = -7

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 1 + 1x = -7 + 1

Combine like terms: -1 + 1 = 0
0 + 1x = -7 + 1
1x = -7 + 1

Combine like terms: -7 + 1 = -6
1x = -6

Divide each side by '1'.
x = -6

Simplifying
x = -6

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