3(4x-7)=5(3x+3)

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Solution for 3(4x-7)=5(3x+3) equation:


Simplifying
3(4x + -7) = 5(3x + 3)

Reorder the terms:
3(-7 + 4x) = 5(3x + 3)
(-7 * 3 + 4x * 3) = 5(3x + 3)
(-21 + 12x) = 5(3x + 3)

Reorder the terms:
-21 + 12x = 5(3 + 3x)
-21 + 12x = (3 * 5 + 3x * 5)
-21 + 12x = (15 + 15x)

Solving
-21 + 12x = 15 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
-21 + 12x + -15x = 15 + 15x + -15x

Combine like terms: 12x + -15x = -3x
-21 + -3x = 15 + 15x + -15x

Combine like terms: 15x + -15x = 0
-21 + -3x = 15 + 0
-21 + -3x = 15

Add '21' to each side of the equation.
-21 + 21 + -3x = 15 + 21

Combine like terms: -21 + 21 = 0
0 + -3x = 15 + 21
-3x = 15 + 21

Combine like terms: 15 + 21 = 36
-3x = 36

Divide each side by '-3'.
x = -12

Simplifying
x = -12

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