8x-2y+7=-9

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Solution for 8x-2y+7=-9 equation:


Simplifying
8x + -2y + 7 = -9

Reorder the terms:
7 + 8x + -2y = -9

Solving
7 + 8x + -2y = -9

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 + 8x + -7 + -2y = -9 + -7

Reorder the terms:
7 + -7 + 8x + -2y = -9 + -7

Combine like terms: 7 + -7 = 0
0 + 8x + -2y = -9 + -7
8x + -2y = -9 + -7

Combine like terms: -9 + -7 = -16
8x + -2y = -16

Add '2y' to each side of the equation.
8x + -2y + 2y = -16 + 2y

Combine like terms: -2y + 2y = 0
8x + 0 = -16 + 2y
8x = -16 + 2y

Divide each side by '8'.
x = -2 + 0.25y

Simplifying
x = -2 + 0.25y

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