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

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


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

Reorder the terms:
7x + -3(-5 + 4x) = 2(2x + 9) + 3
7x + (-5 * -3 + 4x * -3) = 2(2x + 9) + 3
7x + (15 + -12x) = 2(2x + 9) + 3

Reorder the terms:
15 + 7x + -12x = 2(2x + 9) + 3

Combine like terms: 7x + -12x = -5x
15 + -5x = 2(2x + 9) + 3

Reorder the terms:
15 + -5x = 2(9 + 2x) + 3
15 + -5x = (9 * 2 + 2x * 2) + 3
15 + -5x = (18 + 4x) + 3

Reorder the terms:
15 + -5x = 18 + 3 + 4x

Combine like terms: 18 + 3 = 21
15 + -5x = 21 + 4x

Solving
15 + -5x = 21 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
15 + -5x + -4x = 21 + 4x + -4x

Combine like terms: -5x + -4x = -9x
15 + -9x = 21 + 4x + -4x

Combine like terms: 4x + -4x = 0
15 + -9x = 21 + 0
15 + -9x = 21

Add '-15' to each side of the equation.
15 + -15 + -9x = 21 + -15

Combine like terms: 15 + -15 = 0
0 + -9x = 21 + -15
-9x = 21 + -15

Combine like terms: 21 + -15 = 6
-9x = 6

Divide each side by '-9'.
x = -0.6666666667

Simplifying
x = -0.6666666667

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