3(3x+4)=30(x-1)

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Solution for 3(3x+4)=30(x-1) equation:


Simplifying
3(3x + 4) = 30(x + -1)

Reorder the terms:
3(4 + 3x) = 30(x + -1)
(4 * 3 + 3x * 3) = 30(x + -1)
(12 + 9x) = 30(x + -1)

Reorder the terms:
12 + 9x = 30(-1 + x)
12 + 9x = (-1 * 30 + x * 30)
12 + 9x = (-30 + 30x)

Solving
12 + 9x = -30 + 30x

Solving for variable 'x'.

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

Add '-30x' to each side of the equation.
12 + 9x + -30x = -30 + 30x + -30x

Combine like terms: 9x + -30x = -21x
12 + -21x = -30 + 30x + -30x

Combine like terms: 30x + -30x = 0
12 + -21x = -30 + 0
12 + -21x = -30

Add '-12' to each side of the equation.
12 + -12 + -21x = -30 + -12

Combine like terms: 12 + -12 = 0
0 + -21x = -30 + -12
-21x = -30 + -12

Combine like terms: -30 + -12 = -42
-21x = -42

Divide each side by '-21'.
x = 2

Simplifying
x = 2

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