18=-10-7a

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Solution for 18=-10-7a equation:


Simplifying
18 = -10 + -7a

Solving
18 = -10 + -7a

Solving for variable 'a'.

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

Add '7a' to each side of the equation.
18 + 7a = -10 + -7a + 7a

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

Add '-18' to each side of the equation.
18 + -18 + 7a = -10 + -18

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

Combine like terms: -10 + -18 = -28
7a = -28

Divide each side by '7'.
a = -4

Simplifying
a = -4

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