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

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


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

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

Reorder the terms:
-6 + 21x + -5(-9 + 4x) = 2(9 + -3x)
-6 + 21x + (-9 * -5 + 4x * -5) = 2(9 + -3x)
-6 + 21x + (45 + -20x) = 2(9 + -3x)

Reorder the terms:
-6 + 45 + 21x + -20x = 2(9 + -3x)

Combine like terms: -6 + 45 = 39
39 + 21x + -20x = 2(9 + -3x)

Combine like terms: 21x + -20x = 1x
39 + 1x = 2(9 + -3x)
39 + 1x = (9 * 2 + -3x * 2)
39 + 1x = (18 + -6x)

Solving
39 + 1x = 18 + -6x

Solving for variable 'x'.

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

Add '6x' to each side of the equation.
39 + 1x + 6x = 18 + -6x + 6x

Combine like terms: 1x + 6x = 7x
39 + 7x = 18 + -6x + 6x

Combine like terms: -6x + 6x = 0
39 + 7x = 18 + 0
39 + 7x = 18

Add '-39' to each side of the equation.
39 + -39 + 7x = 18 + -39

Combine like terms: 39 + -39 = 0
0 + 7x = 18 + -39
7x = 18 + -39

Combine like terms: 18 + -39 = -21
7x = -21

Divide each side by '7'.
x = -3

Simplifying
x = -3

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