3(2x+5)+x=-20

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Solution for 3(2x+5)+x=-20 equation:


Simplifying
3(2x + 5) + x = -20

Reorder the terms:
3(5 + 2x) + x = -20
(5 * 3 + 2x * 3) + x = -20
(15 + 6x) + x = -20

Combine like terms: 6x + x = 7x
15 + 7x = -20

Solving
15 + 7x = -20

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + 7x = -20 + -15

Combine like terms: 15 + -15 = 0
0 + 7x = -20 + -15
7x = -20 + -15

Combine like terms: -20 + -15 = -35
7x = -35

Divide each side by '7'.
x = -5

Simplifying
x = -5

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