-2a+30+8a=3a-7a

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Solution for -2a+30+8a=3a-7a equation:


Simplifying
-2a + 30 + 8a = 3a + -7a

Reorder the terms:
30 + -2a + 8a = 3a + -7a

Combine like terms: -2a + 8a = 6a
30 + 6a = 3a + -7a

Combine like terms: 3a + -7a = -4a
30 + 6a = -4a

Solving
30 + 6a = -4a

Solving for variable 'a'.

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

Add '4a' to each side of the equation.
30 + 6a + 4a = -4a + 4a

Combine like terms: 6a + 4a = 10a
30 + 10a = -4a + 4a

Combine like terms: -4a + 4a = 0
30 + 10a = 0

Add '-30' to each side of the equation.
30 + -30 + 10a = 0 + -30

Combine like terms: 30 + -30 = 0
0 + 10a = 0 + -30
10a = 0 + -30

Combine like terms: 0 + -30 = -30
10a = -30

Divide each side by '10'.
a = -3

Simplifying
a = -3

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