-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

Reorder the terms:
-15 + -6x = 20 + x

Solving
-15 + -6x = 20 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-15 + -6x + -1x = 20 + x + -1x

Combine like terms: -6x + -1x = -7x
-15 + -7x = 20 + x + -1x

Combine like terms: x + -1x = 0
-15 + -7x = 20 + 0
-15 + -7x = 20

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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