x-9=.8(y+9)

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Solution for x-9=.8(y+9) equation:


Simplifying
x + -9 = 0.8(y + 9)

Reorder the terms:
-9 + x = 0.8(y + 9)

Reorder the terms:
-9 + x = 0.8(9 + y)
-9 + x = (9 * 0.8 + y * 0.8)
-9 + x = (7.2 + 0.8y)

Solving
-9 + x = 7.2 + 0.8y

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + x = 7.2 + 9 + 0.8y

Combine like terms: -9 + 9 = 0
0 + x = 7.2 + 9 + 0.8y
x = 7.2 + 9 + 0.8y

Combine like terms: 7.2 + 9 = 16.2
x = 16.2 + 0.8y

Simplifying
x = 16.2 + 0.8y

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