10x+4(2x+9)=-3(15-4x)

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Solution for 10x+4(2x+9)=-3(15-4x) equation:


Simplifying
10x + 4(2x + 9) = -3(15 + -4x)

Reorder the terms:
10x + 4(9 + 2x) = -3(15 + -4x)
10x + (9 * 4 + 2x * 4) = -3(15 + -4x)
10x + (36 + 8x) = -3(15 + -4x)

Reorder the terms:
36 + 10x + 8x = -3(15 + -4x)

Combine like terms: 10x + 8x = 18x
36 + 18x = -3(15 + -4x)
36 + 18x = (15 * -3 + -4x * -3)
36 + 18x = (-45 + 12x)

Solving
36 + 18x = -45 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
36 + 18x + -12x = -45 + 12x + -12x

Combine like terms: 18x + -12x = 6x
36 + 6x = -45 + 12x + -12x

Combine like terms: 12x + -12x = 0
36 + 6x = -45 + 0
36 + 6x = -45

Add '-36' to each side of the equation.
36 + -36 + 6x = -45 + -36

Combine like terms: 36 + -36 = 0
0 + 6x = -45 + -36
6x = -45 + -36

Combine like terms: -45 + -36 = -81
6x = -81

Divide each side by '6'.
x = -13.5

Simplifying
x = -13.5

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