3(2x+7)-9=5(4x-6)

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Solution for 3(2x+7)-9=5(4x-6) equation:


Simplifying
3(2x + 7) + -9 = 5(4x + -6)

Reorder the terms:
3(7 + 2x) + -9 = 5(4x + -6)
(7 * 3 + 2x * 3) + -9 = 5(4x + -6)
(21 + 6x) + -9 = 5(4x + -6)

Reorder the terms:
21 + -9 + 6x = 5(4x + -6)

Combine like terms: 21 + -9 = 12
12 + 6x = 5(4x + -6)

Reorder the terms:
12 + 6x = 5(-6 + 4x)
12 + 6x = (-6 * 5 + 4x * 5)
12 + 6x = (-30 + 20x)

Solving
12 + 6x = -30 + 20x

Solving for variable 'x'.

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

Add '-20x' to each side of the equation.
12 + 6x + -20x = -30 + 20x + -20x

Combine like terms: 6x + -20x = -14x
12 + -14x = -30 + 20x + -20x

Combine like terms: 20x + -20x = 0
12 + -14x = -30 + 0
12 + -14x = -30

Add '-12' to each side of the equation.
12 + -12 + -14x = -30 + -12

Combine like terms: 12 + -12 = 0
0 + -14x = -30 + -12
-14x = -30 + -12

Combine like terms: -30 + -12 = -42
-14x = -42

Divide each side by '-14'.
x = 3

Simplifying
x = 3

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