(3x-3x)-(4y+-6y)=10+-30

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Solution for (3x-3x)-(4y+-6y)=10+-30 equation: 


Simplifying
(3x + -3x) + -1(4y + -6y) = 10 + -30

Combine like terms: 3x + -3x = 0
(0) + -1(4y + -6y) = 10 + -30
0 + -1(4y + -6y) = 10 + -30

Combine like terms: 4y + -6y = -2y
0 + -1(-2y) = 10 + -30

Remove parenthesis around (-2y)
0 + -1 * -2y = 10 + -30

Multiply -1 * -2
0 + 2y = 10 + -30
Remove the zero:
2y = 10 + -30

Combine like terms: 10 + -30 = -20
2y = -20

Solving
2y = -20

Solving for variable 'y'.

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

Divide each side by '2'.
y = -10

Simplifying
y = -10

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