(72x-47y)-(63x+21y)=

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Solution for (72x-47y)-(63x+21y)= equation:


Simplifying
(72x + -47y) + -1(63x + 21y) = 0

Remove parenthesis around (72x + -47y)
72x + -47y + -1(63x + 21y) = 0
72x + -47y + (63x * -1 + 21y * -1) = 0
72x + -47y + (-63x + -21y) = 0

Reorder the terms:
72x + -63x + -47y + -21y = 0

Combine like terms: 72x + -63x = 9x
9x + -47y + -21y = 0

Combine like terms: -47y + -21y = -68y
9x + -68y = 0

Solving
9x + -68y = 0

Solving for variable 'x'.

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

Add '68y' to each side of the equation.
9x + -68y + 68y = 0 + 68y

Combine like terms: -68y + 68y = 0
9x + 0 = 0 + 68y
9x = 0 + 68y
Remove the zero:
9x = 68y

Divide each side by '9'.
x = 7.555555556y

Simplifying
x = 7.555555556y

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