4(x-7)-7(x-4)-8(x-10)=9(x-1)-x

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Solution for 4(x-7)-7(x-4)-8(x-10)=9(x-1)-x equation:


Simplifying
4(x + -7) + -7(x + -4) + -8(x + -10) = 9(x + -1) + -1x

Reorder the terms:
4(-7 + x) + -7(x + -4) + -8(x + -10) = 9(x + -1) + -1x
(-7 * 4 + x * 4) + -7(x + -4) + -8(x + -10) = 9(x + -1) + -1x
(-28 + 4x) + -7(x + -4) + -8(x + -10) = 9(x + -1) + -1x

Reorder the terms:
-28 + 4x + -7(-4 + x) + -8(x + -10) = 9(x + -1) + -1x
-28 + 4x + (-4 * -7 + x * -7) + -8(x + -10) = 9(x + -1) + -1x
-28 + 4x + (28 + -7x) + -8(x + -10) = 9(x + -1) + -1x

Reorder the terms:
-28 + 4x + 28 + -7x + -8(-10 + x) = 9(x + -1) + -1x
-28 + 4x + 28 + -7x + (-10 * -8 + x * -8) = 9(x + -1) + -1x
-28 + 4x + 28 + -7x + (80 + -8x) = 9(x + -1) + -1x

Reorder the terms:
-28 + 28 + 80 + 4x + -7x + -8x = 9(x + -1) + -1x

Combine like terms: -28 + 28 = 0
0 + 80 + 4x + -7x + -8x = 9(x + -1) + -1x
80 + 4x + -7x + -8x = 9(x + -1) + -1x

Combine like terms: 4x + -7x = -3x
80 + -3x + -8x = 9(x + -1) + -1x

Combine like terms: -3x + -8x = -11x
80 + -11x = 9(x + -1) + -1x

Reorder the terms:
80 + -11x = 9(-1 + x) + -1x
80 + -11x = (-1 * 9 + x * 9) + -1x
80 + -11x = (-9 + 9x) + -1x

Combine like terms: 9x + -1x = 8x
80 + -11x = -9 + 8x

Solving
80 + -11x = -9 + 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.
80 + -11x + -8x = -9 + 8x + -8x

Combine like terms: -11x + -8x = -19x
80 + -19x = -9 + 8x + -8x

Combine like terms: 8x + -8x = 0
80 + -19x = -9 + 0
80 + -19x = -9

Add '-80' to each side of the equation.
80 + -80 + -19x = -9 + -80

Combine like terms: 80 + -80 = 0
0 + -19x = -9 + -80
-19x = -9 + -80

Combine like terms: -9 + -80 = -89
-19x = -89

Divide each side by '-19'.
x = 4.684210526

Simplifying
x = 4.684210526

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