1(5x+1)-2(6x+7)=8(1-x)

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Solution for 1(5x+1)-2(6x+7)=8(1-x) equation:


Simplifying
1(5x + 1) + -2(6x + 7) = 8(1 + -1x)

Reorder the terms:
1(1 + 5x) + -2(6x + 7) = 8(1 + -1x)
(1 * 1 + 5x * 1) + -2(6x + 7) = 8(1 + -1x)
(1 + 5x) + -2(6x + 7) = 8(1 + -1x)

Reorder the terms:
1 + 5x + -2(7 + 6x) = 8(1 + -1x)
1 + 5x + (7 * -2 + 6x * -2) = 8(1 + -1x)
1 + 5x + (-14 + -12x) = 8(1 + -1x)

Reorder the terms:
1 + -14 + 5x + -12x = 8(1 + -1x)

Combine like terms: 1 + -14 = -13
-13 + 5x + -12x = 8(1 + -1x)

Combine like terms: 5x + -12x = -7x
-13 + -7x = 8(1 + -1x)
-13 + -7x = (1 * 8 + -1x * 8)
-13 + -7x = (8 + -8x)

Solving
-13 + -7x = 8 + -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.
-13 + -7x + 8x = 8 + -8x + 8x

Combine like terms: -7x + 8x = 1x
-13 + 1x = 8 + -8x + 8x

Combine like terms: -8x + 8x = 0
-13 + 1x = 8 + 0
-13 + 1x = 8

Add '13' to each side of the equation.
-13 + 13 + 1x = 8 + 13

Combine like terms: -13 + 13 = 0
0 + 1x = 8 + 13
1x = 8 + 13

Combine like terms: 8 + 13 = 21
1x = 21

Divide each side by '1'.
x = 21

Simplifying
x = 21

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