-7=2a+18

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Solution for -7=2a+18 equation:


Simplifying
-7 = 2a + 18

Reorder the terms:
-7 = 18 + 2a

Solving
-7 = 18 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
-7 + -2a = 18 + 2a + -2a

Combine like terms: 2a + -2a = 0
-7 + -2a = 18 + 0
-7 + -2a = 18

Add '7' to each side of the equation.
-7 + 7 + -2a = 18 + 7

Combine like terms: -7 + 7 = 0
0 + -2a = 18 + 7
-2a = 18 + 7

Combine like terms: 18 + 7 = 25
-2a = 25

Divide each side by '-2'.
a = -12.5

Simplifying
a = -12.5

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