-3a+36+9a=4a-7a

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Solution for -3a+36+9a=4a-7a equation:


Simplifying
-3a + 36 + 9a = 4a + -7a

Reorder the terms:
36 + -3a + 9a = 4a + -7a

Combine like terms: -3a + 9a = 6a
36 + 6a = 4a + -7a

Combine like terms: 4a + -7a = -3a
36 + 6a = -3a

Solving
36 + 6a = -3a

Solving for variable 'a'.

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

Add '3a' to each side of the equation.
36 + 6a + 3a = -3a + 3a

Combine like terms: 6a + 3a = 9a
36 + 9a = -3a + 3a

Combine like terms: -3a + 3a = 0
36 + 9a = 0

Add '-36' to each side of the equation.
36 + -36 + 9a = 0 + -36

Combine like terms: 36 + -36 = 0
0 + 9a = 0 + -36
9a = 0 + -36

Combine like terms: 0 + -36 = -36
9a = -36

Divide each side by '9'.
a = -4

Simplifying
a = -4

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