4(5-x)-(x+2)4=10-9x

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Solution for 4(5-x)-(x+2)4=10-9x equation:


Simplifying
4(5 + -1x) + -1(x + 2) * 4 = 10 + -9x
(5 * 4 + -1x * 4) + -1(x + 2) * 4 = 10 + -9x
(20 + -4x) + -1(x + 2) * 4 = 10 + -9x

Reorder the terms:
20 + -4x + -1(2 + x) * 4 = 10 + -9x

Reorder the terms for easier multiplication:
20 + -4x + -1 * 4(2 + x) = 10 + -9x

Multiply -1 * 4
20 + -4x + -4(2 + x) = 10 + -9x
20 + -4x + (2 * -4 + x * -4) = 10 + -9x
20 + -4x + (-8 + -4x) = 10 + -9x

Reorder the terms:
20 + -8 + -4x + -4x = 10 + -9x

Combine like terms: 20 + -8 = 12
12 + -4x + -4x = 10 + -9x

Combine like terms: -4x + -4x = -8x
12 + -8x = 10 + -9x

Solving
12 + -8x = 10 + -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
12 + -8x + 9x = 10 + -9x + 9x

Combine like terms: -8x + 9x = 1x
12 + 1x = 10 + -9x + 9x

Combine like terms: -9x + 9x = 0
12 + 1x = 10 + 0
12 + 1x = 10

Add '-12' to each side of the equation.
12 + -12 + 1x = 10 + -12

Combine like terms: 12 + -12 = 0
0 + 1x = 10 + -12
1x = 10 + -12

Combine like terms: 10 + -12 = -2
1x = -2

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

Simplifying
x = -2

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