3(3x-9)+7=9y-20

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Solution for 3(3x-9)+7=9y-20 equation:


Simplifying
3(3x + -9) + 7 = 9y + -20

Reorder the terms:
3(-9 + 3x) + 7 = 9y + -20
(-9 * 3 + 3x * 3) + 7 = 9y + -20
(-27 + 9x) + 7 = 9y + -20

Reorder the terms:
-27 + 7 + 9x = 9y + -20

Combine like terms: -27 + 7 = -20
-20 + 9x = 9y + -20

Reorder the terms:
-20 + 9x = -20 + 9y

Add '20' to each side of the equation.
-20 + 20 + 9x = -20 + 20 + 9y

Combine like terms: -20 + 20 = 0
0 + 9x = -20 + 20 + 9y
9x = -20 + 20 + 9y

Combine like terms: -20 + 20 = 0
9x = 0 + 9y
9x = 9y

Solving
9x = 9y

Solving for variable 'x'.

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

Divide each side by '9'.
x = y

Simplifying
x = y

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