7x-3(4x+3)=8x+18

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Solution for 7x-3(4x+3)=8x+18 equation:


Simplifying
7x + -3(4x + 3) = 8x + 18

Reorder the terms:
7x + -3(3 + 4x) = 8x + 18
7x + (3 * -3 + 4x * -3) = 8x + 18
7x + (-9 + -12x) = 8x + 18

Reorder the terms:
-9 + 7x + -12x = 8x + 18

Combine like terms: 7x + -12x = -5x
-9 + -5x = 8x + 18

Reorder the terms:
-9 + -5x = 18 + 8x

Solving
-9 + -5x = 18 + 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.
-9 + -5x + -8x = 18 + 8x + -8x

Combine like terms: -5x + -8x = -13x
-9 + -13x = 18 + 8x + -8x

Combine like terms: 8x + -8x = 0
-9 + -13x = 18 + 0
-9 + -13x = 18

Add '9' to each side of the equation.
-9 + 9 + -13x = 18 + 9

Combine like terms: -9 + 9 = 0
0 + -13x = 18 + 9
-13x = 18 + 9

Combine like terms: 18 + 9 = 27
-13x = 27

Divide each side by '-13'.
x = -2.076923077

Simplifying
x = -2.076923077

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