7-4x+8x=15

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


Simplifying
7 + -4x + 8x = 15

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

Solving
7 + 4x = 15

Solving for variable 'x'.

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

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

Combine like terms: 7 + -7 = 0
0 + 4x = 15 + -7
4x = 15 + -7

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

Divide each side by '4'.
x = 2

Simplifying
x = 2

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