2(4-7x-5x)+6(3x+9)=20

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Solution for 2(4-7x-5x)+6(3x+9)=20 equation:


Simplifying
2(4 + -7x + -5x) + 6(3x + 9) = 20

Combine like terms: -7x + -5x = -12x
2(4 + -12x) + 6(3x + 9) = 20
(4 * 2 + -12x * 2) + 6(3x + 9) = 20
(8 + -24x) + 6(3x + 9) = 20

Reorder the terms:
8 + -24x + 6(9 + 3x) = 20
8 + -24x + (9 * 6 + 3x * 6) = 20
8 + -24x + (54 + 18x) = 20

Reorder the terms:
8 + 54 + -24x + 18x = 20

Combine like terms: 8 + 54 = 62
62 + -24x + 18x = 20

Combine like terms: -24x + 18x = -6x
62 + -6x = 20

Solving
62 + -6x = 20

Solving for variable 'x'.

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

Add '-62' to each side of the equation.
62 + -62 + -6x = 20 + -62

Combine like terms: 62 + -62 = 0
0 + -6x = 20 + -62
-6x = 20 + -62

Combine like terms: 20 + -62 = -42
-6x = -42

Divide each side by '-6'.
x = 7

Simplifying
x = 7

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