-8x+3(x+7)=-9(4x+8)

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Solution for -8x+3(x+7)=-9(4x+8) equation:


Simplifying
-8x + 3(x + 7) = -9(4x + 8)

Reorder the terms:
-8x + 3(7 + x) = -9(4x + 8)
-8x + (7 * 3 + x * 3) = -9(4x + 8)
-8x + (21 + 3x) = -9(4x + 8)

Reorder the terms:
21 + -8x + 3x = -9(4x + 8)

Combine like terms: -8x + 3x = -5x
21 + -5x = -9(4x + 8)

Reorder the terms:
21 + -5x = -9(8 + 4x)
21 + -5x = (8 * -9 + 4x * -9)
21 + -5x = (-72 + -36x)

Solving
21 + -5x = -72 + -36x

Solving for variable 'x'.

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

Add '36x' to each side of the equation.
21 + -5x + 36x = -72 + -36x + 36x

Combine like terms: -5x + 36x = 31x
21 + 31x = -72 + -36x + 36x

Combine like terms: -36x + 36x = 0
21 + 31x = -72 + 0
21 + 31x = -72

Add '-21' to each side of the equation.
21 + -21 + 31x = -72 + -21

Combine like terms: 21 + -21 = 0
0 + 31x = -72 + -21
31x = -72 + -21

Combine like terms: -72 + -21 = -93
31x = -93

Divide each side by '31'.
x = -3

Simplifying
x = -3

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