3(x+20)=-9(x-7)

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Solution for 3(x+20)=-9(x-7) equation: 


Simplifying
3(x + 20) = -9(x + -7)

Reorder the terms:
3(20 + x) = -9(x + -7)
(20 * 3 + x * 3) = -9(x + -7)
(60 + 3x) = -9(x + -7)

Reorder the terms:
60 + 3x = -9(-7 + x)
60 + 3x = (-7 * -9 + x * -9)
60 + 3x = (63 + -9x)

Solving
60 + 3x = 63 + -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
60 + 3x + 9x = 63 + -9x + 9x

Combine like terms: 3x + 9x = 12x
60 + 12x = 63 + -9x + 9x

Combine like terms: -9x + 9x = 0
60 + 12x = 63 + 0
60 + 12x = 63

Add '-60' to each side of the equation.
60 + -60 + 12x = 63 + -60

Combine like terms: 60 + -60 = 0
0 + 12x = 63 + -60
12x = 63 + -60

Combine like terms: 63 + -60 = 3
12x = 3

Divide each side by '12'.
x = 0.25

Simplifying
x = 0.25

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