5x+15=4(x+3)

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


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

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

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

Solving
15 + 5x = 12 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
15 + 5x + -4x = 12 + 4x + -4x

Combine like terms: 5x + -4x = 1x
15 + 1x = 12 + 4x + -4x

Combine like terms: 4x + -4x = 0
15 + 1x = 12 + 0
15 + 1x = 12

Add '-15' to each side of the equation.
15 + -15 + 1x = 12 + -15

Combine like terms: 15 + -15 = 0
0 + 1x = 12 + -15
1x = 12 + -15

Combine like terms: 12 + -15 = -3
1x = -3

Divide each side by '1'.
x = -3

Simplifying
x = -3

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