-3a+7y+7a-5y=

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Solution for -3a+7y+7a-5y= equation:


Simplifying
-3a + 7y + 7a + -5y = 0

Reorder the terms:
-3a + 7a + 7y + -5y = 0

Combine like terms: -3a + 7a = 4a
4a + 7y + -5y = 0

Combine like terms: 7y + -5y = 2y
4a + 2y = 0

Solving
4a + 2y = 0

Solving for variable 'a'.

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

Add '-2y' to each side of the equation.
4a + 2y + -2y = 0 + -2y

Combine like terms: 2y + -2y = 0
4a + 0 = 0 + -2y
4a = 0 + -2y
Remove the zero:
4a = -2y

Divide each side by '4'.
a = -0.5y

Simplifying
a = -0.5y

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