4x+7=2(2x-4)-8(x-10)-1

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Solution for 4x+7=2(2x-4)-8(x-10)-1 equation:


Simplifying
4x + 7 = 2(2x + -4) + -8(x + -10) + -1

Reorder the terms:
7 + 4x = 2(2x + -4) + -8(x + -10) + -1

Reorder the terms:
7 + 4x = 2(-4 + 2x) + -8(x + -10) + -1
7 + 4x = (-4 * 2 + 2x * 2) + -8(x + -10) + -1
7 + 4x = (-8 + 4x) + -8(x + -10) + -1

Reorder the terms:
7 + 4x = -8 + 4x + -8(-10 + x) + -1
7 + 4x = -8 + 4x + (-10 * -8 + x * -8) + -1
7 + 4x = -8 + 4x + (80 + -8x) + -1

Reorder the terms:
7 + 4x = -8 + 80 + -1 + 4x + -8x

Combine like terms: -8 + 80 = 72
7 + 4x = 72 + -1 + 4x + -8x

Combine like terms: 72 + -1 = 71
7 + 4x = 71 + 4x + -8x

Combine like terms: 4x + -8x = -4x
7 + 4x = 71 + -4x

Solving
7 + 4x = 71 + -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.
7 + 4x + 4x = 71 + -4x + 4x

Combine like terms: 4x + 4x = 8x
7 + 8x = 71 + -4x + 4x

Combine like terms: -4x + 4x = 0
7 + 8x = 71 + 0
7 + 8x = 71

Add '-7' to each side of the equation.
7 + -7 + 8x = 71 + -7

Combine like terms: 7 + -7 = 0
0 + 8x = 71 + -7
8x = 71 + -7

Combine like terms: 71 + -7 = 64
8x = 64

Divide each side by '8'.
x = 8

Simplifying
x = 8

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