9x-3(7y-4x)=

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Solution for 9x-3(7y-4x)= equation:


Simplifying
9x + -3(7y + -4x) = 0

Reorder the terms:
9x + -3(-4x + 7y) = 0
9x + (-4x * -3 + 7y * -3) = 0
9x + (12x + -21y) = 0

Combine like terms: 9x + 12x = 21x
21x + -21y = 0

Solving
21x + -21y = 0

Solving for variable 'x'.

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

Add '21y' to each side of the equation.
21x + -21y + 21y = 0 + 21y

Combine like terms: -21y + 21y = 0
21x + 0 = 0 + 21y
21x = 0 + 21y
Remove the zero:
21x = 21y

Divide each side by '21'.
x = y

Simplifying
x = y

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