12x-3(2x+10)=5+2(4x-9)

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Solution for 12x-3(2x+10)=5+2(4x-9) equation:


Simplifying
12x + -3(2x + 10) = 5 + 2(4x + -9)

Reorder the terms:
12x + -3(10 + 2x) = 5 + 2(4x + -9)
12x + (10 * -3 + 2x * -3) = 5 + 2(4x + -9)
12x + (-30 + -6x) = 5 + 2(4x + -9)

Reorder the terms:
-30 + 12x + -6x = 5 + 2(4x + -9)

Combine like terms: 12x + -6x = 6x
-30 + 6x = 5 + 2(4x + -9)

Reorder the terms:
-30 + 6x = 5 + 2(-9 + 4x)
-30 + 6x = 5 + (-9 * 2 + 4x * 2)
-30 + 6x = 5 + (-18 + 8x)

Combine like terms: 5 + -18 = -13
-30 + 6x = -13 + 8x

Solving
-30 + 6x = -13 + 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.
-30 + 6x + -8x = -13 + 8x + -8x

Combine like terms: 6x + -8x = -2x
-30 + -2x = -13 + 8x + -8x

Combine like terms: 8x + -8x = 0
-30 + -2x = -13 + 0
-30 + -2x = -13

Add '30' to each side of the equation.
-30 + 30 + -2x = -13 + 30

Combine like terms: -30 + 30 = 0
0 + -2x = -13 + 30
-2x = -13 + 30

Combine like terms: -13 + 30 = 17
-2x = 17

Divide each side by '-2'.
x = -8.5

Simplifying
x = -8.5

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