3x+(-3y)-3x+(-3y)=-15+45

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Solution for 3x+(-3y)-3x+(-3y)=-15+45 equation: 


Simplifying
3x + (-3y) + -3x + (-3y) = -15 + 45

Reorder the terms:
3x + -3x + (-3y) + (-3y) = -15 + 45

Combine like terms: 3x + -3x = 0
0 + (-3y) + (-3y) = -15 + 45
(-3y) + (-3y) = -15 + 45

Combine like terms: (-3y) + (-3y) = -6y
-6y = -15 + 45

Combine like terms: -15 + 45 = 30
-6y = 30

Solving
-6y = 30

Solving for variable 'y'.

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

Divide each side by '-6'.
y = -5

Simplifying
y = -5

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