5+6x-9y=21

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Solution for 5+6x-9y=21 equation:


Simplifying
5 + 6x + -9y = 21

Solving
5 + 6x + -9y = 21

Solving for variable 'x'.

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

Add '-5' to each side of the equation.
5 + 6x + -5 + -9y = 21 + -5

Reorder the terms:
5 + -5 + 6x + -9y = 21 + -5

Combine like terms: 5 + -5 = 0
0 + 6x + -9y = 21 + -5
6x + -9y = 21 + -5

Combine like terms: 21 + -5 = 16
6x + -9y = 16

Add '9y' to each side of the equation.
6x + -9y + 9y = 16 + 9y

Combine like terms: -9y + 9y = 0
6x + 0 = 16 + 9y
6x = 16 + 9y

Divide each side by '6'.
x = 2.666666667 + 1.5y

Simplifying
x = 2.666666667 + 1.5y

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