3(7+9x)-5(5x+1)=-8(9x-4)

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Solution for 3(7+9x)-5(5x+1)=-8(9x-4) equation:


Simplifying
3(7 + 9x) + -5(5x + 1) = -8(9x + -4)
(7 * 3 + 9x * 3) + -5(5x + 1) = -8(9x + -4)
(21 + 27x) + -5(5x + 1) = -8(9x + -4)

Reorder the terms:
21 + 27x + -5(1 + 5x) = -8(9x + -4)
21 + 27x + (1 * -5 + 5x * -5) = -8(9x + -4)
21 + 27x + (-5 + -25x) = -8(9x + -4)

Reorder the terms:
21 + -5 + 27x + -25x = -8(9x + -4)

Combine like terms: 21 + -5 = 16
16 + 27x + -25x = -8(9x + -4)

Combine like terms: 27x + -25x = 2x
16 + 2x = -8(9x + -4)

Reorder the terms:
16 + 2x = -8(-4 + 9x)
16 + 2x = (-4 * -8 + 9x * -8)
16 + 2x = (32 + -72x)

Solving
16 + 2x = 32 + -72x

Solving for variable 'x'.

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

Add '72x' to each side of the equation.
16 + 2x + 72x = 32 + -72x + 72x

Combine like terms: 2x + 72x = 74x
16 + 74x = 32 + -72x + 72x

Combine like terms: -72x + 72x = 0
16 + 74x = 32 + 0
16 + 74x = 32

Add '-16' to each side of the equation.
16 + -16 + 74x = 32 + -16

Combine like terms: 16 + -16 = 0
0 + 74x = 32 + -16
74x = 32 + -16

Combine like terms: 32 + -16 = 16
74x = 16

Divide each side by '74'.
x = 0.2162162162

Simplifying
x = 0.2162162162

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