7x+4y-9(4x-4y)=

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Solution for 7x+4y-9(4x-4y)= equation:


Simplifying
7x + 4y + -9(4x + -4y) = 0
7x + 4y + (4x * -9 + -4y * -9) = 0
7x + 4y + (-36x + 36y) = 0

Reorder the terms:
7x + -36x + 4y + 36y = 0

Combine like terms: 7x + -36x = -29x
-29x + 4y + 36y = 0

Combine like terms: 4y + 36y = 40y
-29x + 40y = 0

Solving
-29x + 40y = 0

Solving for variable 'x'.

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

Add '-40y' to each side of the equation.
-29x + 40y + -40y = 0 + -40y

Combine like terms: 40y + -40y = 0
-29x + 0 = 0 + -40y
-29x = 0 + -40y
Remove the zero:
-29x = -40y

Divide each side by '-29'.
x = 1.379310345y

Simplifying
x = 1.379310345y

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