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

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


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

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

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

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

Combine like terms: -7 + 1 = -6
-6 + 7x + 1x = -4x

Combine like terms: 7x + 1x = 8x
-6 + 8x = -4x

Solving
-6 + 8x = -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
-6 + 8x + 4x = -4x + 4x

Combine like terms: 8x + 4x = 12x
-6 + 12x = -4x + 4x

Combine like terms: -4x + 4x = 0
-6 + 12x = 0

Add '6' to each side of the equation.
-6 + 6 + 12x = 0 + 6

Combine like terms: -6 + 6 = 0
0 + 12x = 0 + 6
12x = 0 + 6

Combine like terms: 0 + 6 = 6
12x = 6

Divide each side by '12'.
x = 0.5

Simplifying
x = 0.5

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