5x+y+9=7x

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Solution for 5x+y+9=7x equation:


Simplifying
5x + y + 9 = 7x

Reorder the terms:
9 + 5x + y = 7x

Solving
9 + 5x + y = 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
9 + 5x + -7x + y = 7x + -7x

Combine like terms: 5x + -7x = -2x
9 + -2x + y = 7x + -7x

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

Add '-9' to each side of the equation.
9 + -2x + -9 + y = 0 + -9

Reorder the terms:
9 + -9 + -2x + y = 0 + -9

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

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

Add '-1y' to each side of the equation.
-2x + y + -1y = -9 + -1y

Combine like terms: y + -1y = 0
-2x + 0 = -9 + -1y
-2x = -9 + -1y

Divide each side by '-2'.
x = 4.5 + 0.5y

Simplifying
x = 4.5 + 0.5y

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