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

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Solution for 3(x+5)+9x=2(x-4) equation:


Simplifying
3(x + 5) + 9x = 2(x + -4)

Reorder the terms:
3(5 + x) + 9x = 2(x + -4)
(5 * 3 + x * 3) + 9x = 2(x + -4)
(15 + 3x) + 9x = 2(x + -4)

Combine like terms: 3x + 9x = 12x
15 + 12x = 2(x + -4)

Reorder the terms:
15 + 12x = 2(-4 + x)
15 + 12x = (-4 * 2 + x * 2)
15 + 12x = (-8 + 2x)

Solving
15 + 12x = -8 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
15 + 12x + -2x = -8 + 2x + -2x

Combine like terms: 12x + -2x = 10x
15 + 10x = -8 + 2x + -2x

Combine like terms: 2x + -2x = 0
15 + 10x = -8 + 0
15 + 10x = -8

Add '-15' to each side of the equation.
15 + -15 + 10x = -8 + -15

Combine like terms: 15 + -15 = 0
0 + 10x = -8 + -15
10x = -8 + -15

Combine like terms: -8 + -15 = -23
10x = -23

Divide each side by '10'.
x = -2.3

Simplifying
x = -2.3

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