2x-15=3(6x+20)

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Solution for 2x-15=3(6x+20) equation:


Simplifying
2x + -15 = 3(6x + 20)

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

Reorder the terms:
-15 + 2x = 3(20 + 6x)
-15 + 2x = (20 * 3 + 6x * 3)
-15 + 2x = (60 + 18x)

Solving
-15 + 2x = 60 + 18x

Solving for variable 'x'.

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

Add '-18x' to each side of the equation.
-15 + 2x + -18x = 60 + 18x + -18x

Combine like terms: 2x + -18x = -16x
-15 + -16x = 60 + 18x + -18x

Combine like terms: 18x + -18x = 0
-15 + -16x = 60 + 0
-15 + -16x = 60

Add '15' to each side of the equation.
-15 + 15 + -16x = 60 + 15

Combine like terms: -15 + 15 = 0
0 + -16x = 60 + 15
-16x = 60 + 15

Combine like terms: 60 + 15 = 75
-16x = 75

Divide each side by '-16'.
x = -4.6875

Simplifying
x = -4.6875

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