-9x-7(3)y=-15

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Solution for -9x-7(3)y=-15 equation: 


Simplifying
-9x + -7(3) * y = -15

Multiply -7 * 3
-9x + -21y = -15

Solving
-9x + -21y = -15

Solving for variable 'x'.

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

Add '21y' to each side of the equation.
-9x + -21y + 21y = -15 + 21y

Combine like terms: -21y + 21y = 0
-9x + 0 = -15 + 21y
-9x = -15 + 21y

Divide each side by '-9'.
x = 1.666666667 + -2.333333333y

Simplifying
x = 1.666666667 + -2.333333333y

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