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

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


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

Reorder the terms:
7(4 + 3x) + -5(2x + 3) = 4(2x + 9)
(4 * 7 + 3x * 7) + -5(2x + 3) = 4(2x + 9)
(28 + 21x) + -5(2x + 3) = 4(2x + 9)

Reorder the terms:
28 + 21x + -5(3 + 2x) = 4(2x + 9)
28 + 21x + (3 * -5 + 2x * -5) = 4(2x + 9)
28 + 21x + (-15 + -10x) = 4(2x + 9)

Reorder the terms:
28 + -15 + 21x + -10x = 4(2x + 9)

Combine like terms: 28 + -15 = 13
13 + 21x + -10x = 4(2x + 9)

Combine like terms: 21x + -10x = 11x
13 + 11x = 4(2x + 9)

Reorder the terms:
13 + 11x = 4(9 + 2x)
13 + 11x = (9 * 4 + 2x * 4)
13 + 11x = (36 + 8x)

Solving
13 + 11x = 36 + 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.
13 + 11x + -8x = 36 + 8x + -8x

Combine like terms: 11x + -8x = 3x
13 + 3x = 36 + 8x + -8x

Combine like terms: 8x + -8x = 0
13 + 3x = 36 + 0
13 + 3x = 36

Add '-13' to each side of the equation.
13 + -13 + 3x = 36 + -13

Combine like terms: 13 + -13 = 0
0 + 3x = 36 + -13
3x = 36 + -13

Combine like terms: 36 + -13 = 23
3x = 23

Divide each side by '3'.
x = 7.666666667

Simplifying
x = 7.666666667

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