3(2x-3)=9(4x-21)

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Solution for 3(2x-3)=9(4x-21) equation:


Simplifying
3(2x + -3) = 9(4x + -21)

Reorder the terms:
3(-3 + 2x) = 9(4x + -21)
(-3 * 3 + 2x * 3) = 9(4x + -21)
(-9 + 6x) = 9(4x + -21)

Reorder the terms:
-9 + 6x = 9(-21 + 4x)
-9 + 6x = (-21 * 9 + 4x * 9)
-9 + 6x = (-189 + 36x)

Solving
-9 + 6x = -189 + 36x

Solving for variable 'x'.

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

Add '-36x' to each side of the equation.
-9 + 6x + -36x = -189 + 36x + -36x

Combine like terms: 6x + -36x = -30x
-9 + -30x = -189 + 36x + -36x

Combine like terms: 36x + -36x = 0
-9 + -30x = -189 + 0
-9 + -30x = -189

Add '9' to each side of the equation.
-9 + 9 + -30x = -189 + 9

Combine like terms: -9 + 9 = 0
0 + -30x = -189 + 9
-30x = -189 + 9

Combine like terms: -189 + 9 = -180
-30x = -180

Divide each side by '-30'.
x = 6

Simplifying
x = 6

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