3x+4(2x+5)=15x+12

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Solution for 3x+4(2x+5)=15x+12 equation:


Simplifying
3x + 4(2x + 5) = 15x + 12

Reorder the terms:
3x + 4(5 + 2x) = 15x + 12
3x + (5 * 4 + 2x * 4) = 15x + 12
3x + (20 + 8x) = 15x + 12

Reorder the terms:
20 + 3x + 8x = 15x + 12

Combine like terms: 3x + 8x = 11x
20 + 11x = 15x + 12

Reorder the terms:
20 + 11x = 12 + 15x

Solving
20 + 11x = 12 + 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.
20 + 11x + -15x = 12 + 15x + -15x

Combine like terms: 11x + -15x = -4x
20 + -4x = 12 + 15x + -15x

Combine like terms: 15x + -15x = 0
20 + -4x = 12 + 0
20 + -4x = 12

Add '-20' to each side of the equation.
20 + -20 + -4x = 12 + -20

Combine like terms: 20 + -20 = 0
0 + -4x = 12 + -20
-4x = 12 + -20

Combine like terms: 12 + -20 = -8
-4x = -8

Divide each side by '-4'.
x = 2

Simplifying
x = 2

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