7(x-1)-(x-4)=8x-1

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Solution for 7(x-1)-(x-4)=8x-1 equation:


Simplifying
7(x + -1) + -1(x + -4) = 8x + -1

Reorder the terms:
7(-1 + x) + -1(x + -4) = 8x + -1
(-1 * 7 + x * 7) + -1(x + -4) = 8x + -1
(-7 + 7x) + -1(x + -4) = 8x + -1

Reorder the terms:
-7 + 7x + -1(-4 + x) = 8x + -1
-7 + 7x + (-4 * -1 + x * -1) = 8x + -1
-7 + 7x + (4 + -1x) = 8x + -1

Reorder the terms:
-7 + 4 + 7x + -1x = 8x + -1

Combine like terms: -7 + 4 = -3
-3 + 7x + -1x = 8x + -1

Combine like terms: 7x + -1x = 6x
-3 + 6x = 8x + -1

Reorder the terms:
-3 + 6x = -1 + 8x

Solving
-3 + 6x = -1 + 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.
-3 + 6x + -8x = -1 + 8x + -8x

Combine like terms: 6x + -8x = -2x
-3 + -2x = -1 + 8x + -8x

Combine like terms: 8x + -8x = 0
-3 + -2x = -1 + 0
-3 + -2x = -1

Add '3' to each side of the equation.
-3 + 3 + -2x = -1 + 3

Combine like terms: -3 + 3 = 0
0 + -2x = -1 + 3
-2x = -1 + 3

Combine like terms: -1 + 3 = 2
-2x = 2

Divide each side by '-2'.
x = -1

Simplifying
x = -1

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