15x+8+12=7x+4

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Solution for 15x+8+12=7x+4 equation:


Simplifying
15x + 8 + 12 = 7x + 4

Reorder the terms:
8 + 12 + 15x = 7x + 4

Combine like terms: 8 + 12 = 20
20 + 15x = 7x + 4

Reorder the terms:
20 + 15x = 4 + 7x

Solving
20 + 15x = 4 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
20 + 15x + -7x = 4 + 7x + -7x

Combine like terms: 15x + -7x = 8x
20 + 8x = 4 + 7x + -7x

Combine like terms: 7x + -7x = 0
20 + 8x = 4 + 0
20 + 8x = 4

Add '-20' to each side of the equation.
20 + -20 + 8x = 4 + -20

Combine like terms: 20 + -20 = 0
0 + 8x = 4 + -20
8x = 4 + -20

Combine like terms: 4 + -20 = -16
8x = -16

Divide each side by '8'.
x = -2

Simplifying
x = -2

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