8x-7=x+4

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


Simplifying
8x + -7 = x + 4

Reorder the terms:
-7 + 8x = x + 4

Reorder the terms:
-7 + 8x = 4 + x

Solving
-7 + 8x = 4 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-7 + 8x + -1x = 4 + x + -1x

Combine like terms: 8x + -1x = 7x
-7 + 7x = 4 + x + -1x

Combine like terms: x + -1x = 0
-7 + 7x = 4 + 0
-7 + 7x = 4

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

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

Combine like terms: 4 + 7 = 11
7x = 11

Divide each side by '7'.
x = 1.571428571

Simplifying
x = 1.571428571

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