(64x+45y)-(21x-20y)=

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Solution for (64x+45y)-(21x-20y)= equation: 


Simplifying
(64x + 45y) + -1(21x + -20y) = 0

Remove parenthesis around (64x + 45y)
64x + 45y + -1(21x + -20y) = 0
64x + 45y + (21x * -1 + -20y * -1) = 0
64x + 45y + (-21x + 20y) = 0

Reorder the terms:
64x + -21x + 45y + 20y = 0

Combine like terms: 64x + -21x = 43x
43x + 45y + 20y = 0

Combine like terms: 45y + 20y = 65y
43x + 65y = 0

Solving
43x + 65y = 0

Solving for variable 'x'.

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

Add '-65y' to each side of the equation.
43x + 65y + -65y = 0 + -65y

Combine like terms: 65y + -65y = 0
43x + 0 = 0 + -65y
43x = 0 + -65y
Remove the zero:
43x = -65y

Divide each side by '43'.
x = -1.511627907y

Simplifying
x = -1.511627907y

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