3x+8y-9=7

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Solution for 3x+8y-9=7 equation:


Simplifying
3x + 8y + -9 = 7

Reorder the terms:
-9 + 3x + 8y = 7

Solving
-9 + 3x + 8y = 7

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 + 3x + 9 + 8y = 7 + 9

Reorder the terms:
-9 + 9 + 3x + 8y = 7 + 9

Combine like terms: -9 + 9 = 0
0 + 3x + 8y = 7 + 9
3x + 8y = 7 + 9

Combine like terms: 7 + 9 = 16
3x + 8y = 16

Add '-8y' to each side of the equation.
3x + 8y + -8y = 16 + -8y

Combine like terms: 8y + -8y = 0
3x + 0 = 16 + -8y
3x = 16 + -8y

Divide each side by '3'.
x = 5.333333333 + -2.666666667y

Simplifying
x = 5.333333333 + -2.666666667y

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