7(3x-5)-4(3x-14)=8x-8

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Solution for 7(3x-5)-4(3x-14)=8x-8 equation:


Simplifying
7(3x + -5) + -4(3x + -14) = 8x + -8

Reorder the terms:
7(-5 + 3x) + -4(3x + -14) = 8x + -8
(-5 * 7 + 3x * 7) + -4(3x + -14) = 8x + -8
(-35 + 21x) + -4(3x + -14) = 8x + -8

Reorder the terms:
-35 + 21x + -4(-14 + 3x) = 8x + -8
-35 + 21x + (-14 * -4 + 3x * -4) = 8x + -8
-35 + 21x + (56 + -12x) = 8x + -8

Reorder the terms:
-35 + 56 + 21x + -12x = 8x + -8

Combine like terms: -35 + 56 = 21
21 + 21x + -12x = 8x + -8

Combine like terms: 21x + -12x = 9x
21 + 9x = 8x + -8

Reorder the terms:
21 + 9x = -8 + 8x

Solving
21 + 9x = -8 + 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.
21 + 9x + -8x = -8 + 8x + -8x

Combine like terms: 9x + -8x = 1x
21 + 1x = -8 + 8x + -8x

Combine like terms: 8x + -8x = 0
21 + 1x = -8 + 0
21 + 1x = -8

Add '-21' to each side of the equation.
21 + -21 + 1x = -8 + -21

Combine like terms: 21 + -21 = 0
0 + 1x = -8 + -21
1x = -8 + -21

Combine like terms: -8 + -21 = -29
1x = -29

Divide each side by '1'.
x = -29

Simplifying
x = -29

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