8x-7=3x-y

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Solution for 8x-7=3x-y equation:


Simplifying
8x + -7 = 3x + -1y

Reorder the terms:
-7 + 8x = 3x + -1y

Solving
-7 + 8x = 3x + -1y

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-7 + 8x + -3x = 3x + -3x + -1y

Combine like terms: 8x + -3x = 5x
-7 + 5x = 3x + -3x + -1y

Combine like terms: 3x + -3x = 0
-7 + 5x = 0 + -1y
-7 + 5x = -1y

Add '7' to each side of the equation.
-7 + 7 + 5x = 7 + -1y

Combine like terms: -7 + 7 = 0
0 + 5x = 7 + -1y
5x = 7 + -1y

Divide each side by '5'.
x = 1.4 + -0.2y

Simplifying
x = 1.4 + -0.2y

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