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

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


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

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

Reorder the terms:
-7 + 7x = 2(8 + 2x) + -1(x + -5)
-7 + 7x = (8 * 2 + 2x * 2) + -1(x + -5)
-7 + 7x = (16 + 4x) + -1(x + -5)

Reorder the terms:
-7 + 7x = 16 + 4x + -1(-5 + x)
-7 + 7x = 16 + 4x + (-5 * -1 + x * -1)
-7 + 7x = 16 + 4x + (5 + -1x)

Reorder the terms:
-7 + 7x = 16 + 5 + 4x + -1x

Combine like terms: 16 + 5 = 21
-7 + 7x = 21 + 4x + -1x

Combine like terms: 4x + -1x = 3x
-7 + 7x = 21 + 3x

Solving
-7 + 7x = 21 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-7 + 7x + -3x = 21 + 3x + -3x

Combine like terms: 7x + -3x = 4x
-7 + 4x = 21 + 3x + -3x

Combine like terms: 3x + -3x = 0
-7 + 4x = 21 + 0
-7 + 4x = 21

Add '7' to each side of the equation.
-7 + 7 + 4x = 21 + 7

Combine like terms: -7 + 7 = 0
0 + 4x = 21 + 7
4x = 21 + 7

Combine like terms: 21 + 7 = 28
4x = 28

Divide each side by '4'.
x = 7

Simplifying
x = 7

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