3(7x-4)=5(3x+6)

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Solution for 3(7x-4)=5(3x+6) equation:


Simplifying
3(7x + -4) = 5(3x + 6)

Reorder the terms:
3(-4 + 7x) = 5(3x + 6)
(-4 * 3 + 7x * 3) = 5(3x + 6)
(-12 + 21x) = 5(3x + 6)

Reorder the terms:
-12 + 21x = 5(6 + 3x)
-12 + 21x = (6 * 5 + 3x * 5)
-12 + 21x = (30 + 15x)

Solving
-12 + 21x = 30 + 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.
-12 + 21x + -15x = 30 + 15x + -15x

Combine like terms: 21x + -15x = 6x
-12 + 6x = 30 + 15x + -15x

Combine like terms: 15x + -15x = 0
-12 + 6x = 30 + 0
-12 + 6x = 30

Add '12' to each side of the equation.
-12 + 12 + 6x = 30 + 12

Combine like terms: -12 + 12 = 0
0 + 6x = 30 + 12
6x = 30 + 12

Combine like terms: 30 + 12 = 42
6x = 42

Divide each side by '6'.
x = 7

Simplifying
x = 7

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