7(4x-1)+3(10-4x)-3(5x+5)=-9

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Solution for 7(4x-1)+3(10-4x)-3(5x+5)=-9 equation:


Simplifying
7(4x + -1) + 3(10 + -4x) + -3(5x + 5) = -9

Reorder the terms:
7(-1 + 4x) + 3(10 + -4x) + -3(5x + 5) = -9
(-1 * 7 + 4x * 7) + 3(10 + -4x) + -3(5x + 5) = -9
(-7 + 28x) + 3(10 + -4x) + -3(5x + 5) = -9
-7 + 28x + (10 * 3 + -4x * 3) + -3(5x + 5) = -9
-7 + 28x + (30 + -12x) + -3(5x + 5) = -9

Reorder the terms:
-7 + 28x + 30 + -12x + -3(5 + 5x) = -9
-7 + 28x + 30 + -12x + (5 * -3 + 5x * -3) = -9
-7 + 28x + 30 + -12x + (-15 + -15x) = -9

Reorder the terms:
-7 + 30 + -15 + 28x + -12x + -15x = -9

Combine like terms: -7 + 30 = 23
23 + -15 + 28x + -12x + -15x = -9

Combine like terms: 23 + -15 = 8
8 + 28x + -12x + -15x = -9

Combine like terms: 28x + -12x = 16x
8 + 16x + -15x = -9

Combine like terms: 16x + -15x = 1x
8 + 1x = -9

Solving
8 + 1x = -9

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + 1x = -9 + -8

Combine like terms: 8 + -8 = 0
0 + 1x = -9 + -8
1x = -9 + -8

Combine like terms: -9 + -8 = -17
1x = -17

Divide each side by '1'.
x = -17

Simplifying
x = -17

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