7x+8y-9(5x-5y)=

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Solution for 7x+8y-9(5x-5y)= equation:


Simplifying
7x + 8y + -9(5x + -5y) = 0
7x + 8y + (5x * -9 + -5y * -9) = 0
7x + 8y + (-45x + 45y) = 0

Reorder the terms:
7x + -45x + 8y + 45y = 0

Combine like terms: 7x + -45x = -38x
-38x + 8y + 45y = 0

Combine like terms: 8y + 45y = 53y
-38x + 53y = 0

Solving
-38x + 53y = 0

Solving for variable 'x'.

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

Add '-53y' to each side of the equation.
-38x + 53y + -53y = 0 + -53y

Combine like terms: 53y + -53y = 0
-38x + 0 = 0 + -53y
-38x = 0 + -53y
Remove the zero:
-38x = -53y

Divide each side by '-38'.
x = 1.394736842y

Simplifying
x = 1.394736842y

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