-a-3+7=30

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


Simplifying
-1a + -3 + 7 = 30

Reorder the terms:
-3 + 7 + -1a = 30

Combine like terms: -3 + 7 = 4
4 + -1a = 30

Solving
4 + -1a = 30

Solving for variable 'a'.

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

Add '-4' to each side of the equation.
4 + -4 + -1a = 30 + -4

Combine like terms: 4 + -4 = 0
0 + -1a = 30 + -4
-1a = 30 + -4

Combine like terms: 30 + -4 = 26
-1a = 26

Divide each side by '-1'.
a = -26

Simplifying
a = -26

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