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

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


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

Reorder the terms:
5 + 4x = 3(4x + 15)

Reorder the terms:
5 + 4x = 3(15 + 4x)
5 + 4x = (15 * 3 + 4x * 3)
5 + 4x = (45 + 12x)

Solving
5 + 4x = 45 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
5 + 4x + -12x = 45 + 12x + -12x

Combine like terms: 4x + -12x = -8x
5 + -8x = 45 + 12x + -12x

Combine like terms: 12x + -12x = 0
5 + -8x = 45 + 0
5 + -8x = 45

Add '-5' to each side of the equation.
5 + -5 + -8x = 45 + -5

Combine like terms: 5 + -5 = 0
0 + -8x = 45 + -5
-8x = 45 + -5

Combine like terms: 45 + -5 = 40
-8x = 40

Divide each side by '-8'.
x = -5

Simplifying
x = -5

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