7(5-6x-3x)-2(4x+8)=20

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Solution for 7(5-6x-3x)-2(4x+8)=20 equation:


Simplifying
7(5 + -6x + -3x) + -2(4x + 8) = 20

Combine like terms: -6x + -3x = -9x
7(5 + -9x) + -2(4x + 8) = 20
(5 * 7 + -9x * 7) + -2(4x + 8) = 20
(35 + -63x) + -2(4x + 8) = 20

Reorder the terms:
35 + -63x + -2(8 + 4x) = 20
35 + -63x + (8 * -2 + 4x * -2) = 20
35 + -63x + (-16 + -8x) = 20

Reorder the terms:
35 + -16 + -63x + -8x = 20

Combine like terms: 35 + -16 = 19
19 + -63x + -8x = 20

Combine like terms: -63x + -8x = -71x
19 + -71x = 20

Solving
19 + -71x = 20

Solving for variable 'x'.

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

Add '-19' to each side of the equation.
19 + -19 + -71x = 20 + -19

Combine like terms: 19 + -19 = 0
0 + -71x = 20 + -19
-71x = 20 + -19

Combine like terms: 20 + -19 = 1
-71x = 1

Divide each side by '-71'.
x = -0.01408450704

Simplifying
x = -0.01408450704

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