4x+12+3x+15=5(x+7)

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Solution for 4x+12+3x+15=5(x+7) equation:


Simplifying
4x + 12 + 3x + 15 = 5(x + 7)

Reorder the terms:
12 + 15 + 4x + 3x = 5(x + 7)

Combine like terms: 12 + 15 = 27
27 + 4x + 3x = 5(x + 7)

Combine like terms: 4x + 3x = 7x
27 + 7x = 5(x + 7)

Reorder the terms:
27 + 7x = 5(7 + x)
27 + 7x = (7 * 5 + x * 5)
27 + 7x = (35 + 5x)

Solving
27 + 7x = 35 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
27 + 7x + -5x = 35 + 5x + -5x

Combine like terms: 7x + -5x = 2x
27 + 2x = 35 + 5x + -5x

Combine like terms: 5x + -5x = 0
27 + 2x = 35 + 0
27 + 2x = 35

Add '-27' to each side of the equation.
27 + -27 + 2x = 35 + -27

Combine like terms: 27 + -27 = 0
0 + 2x = 35 + -27
2x = 35 + -27

Combine like terms: 35 + -27 = 8
2x = 8

Divide each side by '2'.
x = 4

Simplifying
x = 4

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