7x+y+7=9x

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Solution for 7x+y+7=9x equation:


Simplifying
7x + y + 7 = 9x

Reorder the terms:
7 + 7x + y = 9x

Solving
7 + 7x + y = 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
7 + 7x + -9x + y = 9x + -9x

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

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

Add '-7' to each side of the equation.
7 + -2x + -7 + y = 0 + -7

Reorder the terms:
7 + -7 + -2x + y = 0 + -7

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

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

Add '-1y' to each side of the equation.
-2x + y + -1y = -7 + -1y

Combine like terms: y + -1y = 0
-2x + 0 = -7 + -1y
-2x = -7 + -1y

Divide each side by '-2'.
x = 3.5 + 0.5y

Simplifying
x = 3.5 + 0.5y

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