4x+y+9=8x

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Solution for 4x+y+9=8x equation:


Simplifying
4x + y + 9 = 8x

Reorder the terms:
9 + 4x + y = 8x

Solving
9 + 4x + y = 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
9 + 4x + -8x + y = 8x + -8x

Combine like terms: 4x + -8x = -4x
9 + -4x + y = 8x + -8x

Combine like terms: 8x + -8x = 0
9 + -4x + y = 0

Add '-9' to each side of the equation.
9 + -4x + -9 + y = 0 + -9

Reorder the terms:
9 + -9 + -4x + y = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -4x + y = 0 + -9
-4x + y = 0 + -9

Combine like terms: 0 + -9 = -9
-4x + y = -9

Add '-1y' to each side of the equation.
-4x + y + -1y = -9 + -1y

Combine like terms: y + -1y = 0
-4x + 0 = -9 + -1y
-4x = -9 + -1y

Divide each side by '-4'.
x = 2.25 + 0.25y

Simplifying
x = 2.25 + 0.25y

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