-7xy-9-(-4xy)=

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Solution for -7xy-9-(-4xy)= equation:


Simplifying
-7xy + -9 + -1(-4xy) = 0

Remove parenthesis around (-4xy)
-7xy + -9 + -1 * -4xy = 0

Multiply -1 * -4
-7xy + -9 + 4xy = 0

Reorder the terms:
-9 + -7xy + 4xy = 0

Combine like terms: -7xy + 4xy = -3xy
-9 + -3xy = 0

Solving
-9 + -3xy = 0

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 + 9 + -3xy = 0 + 9

Combine like terms: -9 + 9 = 0
0 + -3xy = 0 + 9
-3xy = 0 + 9

Combine like terms: 0 + 9 = 9
-3xy = 9

Divide each side by '-3y'.
x = -3y-1

Simplifying
x = -3y-1

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