15x+8=7x+40

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Solution for 15x+8=7x+40 equation:


Simplifying
15x + 8 = 7x + 40

Reorder the terms:
8 + 15x = 7x + 40

Reorder the terms:
8 + 15x = 40 + 7x

Solving
8 + 15x = 40 + 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.
8 + 15x + -7x = 40 + 7x + -7x

Combine like terms: 15x + -7x = 8x
8 + 8x = 40 + 7x + -7x

Combine like terms: 7x + -7x = 0
8 + 8x = 40 + 0
8 + 8x = 40

Add '-8' to each side of the equation.
8 + -8 + 8x = 40 + -8

Combine like terms: 8 + -8 = 0
0 + 8x = 40 + -8
8x = 40 + -8

Combine like terms: 40 + -8 = 32
8x = 32

Divide each side by '8'.
x = 4

Simplifying
x = 4

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