7(3x+4)=18-2(5x+6)

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Solution for 7(3x+4)=18-2(5x+6) equation:


Simplifying
7(3x + 4) = 18 + -2(5x + 6)

Reorder the terms:
7(4 + 3x) = 18 + -2(5x + 6)
(4 * 7 + 3x * 7) = 18 + -2(5x + 6)
(28 + 21x) = 18 + -2(5x + 6)

Reorder the terms:
28 + 21x = 18 + -2(6 + 5x)
28 + 21x = 18 + (6 * -2 + 5x * -2)
28 + 21x = 18 + (-12 + -10x)

Combine like terms: 18 + -12 = 6
28 + 21x = 6 + -10x

Solving
28 + 21x = 6 + -10x

Solving for variable 'x'.

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

Add '10x' to each side of the equation.
28 + 21x + 10x = 6 + -10x + 10x

Combine like terms: 21x + 10x = 31x
28 + 31x = 6 + -10x + 10x

Combine like terms: -10x + 10x = 0
28 + 31x = 6 + 0
28 + 31x = 6

Add '-28' to each side of the equation.
28 + -28 + 31x = 6 + -28

Combine like terms: 28 + -28 = 0
0 + 31x = 6 + -28
31x = 6 + -28

Combine like terms: 6 + -28 = -22
31x = -22

Divide each side by '31'.
x = -0.7096774194

Simplifying
x = -0.7096774194

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