7a-10a-30+12=

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Solution for 7a-10a-30+12= equation:


Simplifying
7a + -10a + -30 + 12 = 0

Reorder the terms:
-30 + 12 + 7a + -10a = 0

Combine like terms: -30 + 12 = -18
-18 + 7a + -10a = 0

Combine like terms: 7a + -10a = -3a
-18 + -3a = 0

Solving
-18 + -3a = 0

Solving for variable 'a'.

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

Add '18' to each side of the equation.
-18 + 18 + -3a = 0 + 18

Combine like terms: -18 + 18 = 0
0 + -3a = 0 + 18
-3a = 0 + 18

Combine like terms: 0 + 18 = 18
-3a = 18

Divide each side by '-3'.
a = -6

Simplifying
a = -6

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