32=18-7a

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Solution for 32=18-7a equation:


Simplifying
32 = 18 + -7a

Solving
32 = 18 + -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.
32 + 7a = 18 + -7a + 7a

Combine like terms: -7a + 7a = 0
32 + 7a = 18 + 0
32 + 7a = 18

Add '-32' to each side of the equation.
32 + -32 + 7a = 18 + -32

Combine like terms: 32 + -32 = 0
0 + 7a = 18 + -32
7a = 18 + -32

Combine like terms: 18 + -32 = -14
7a = -14

Divide each side by '7'.
a = -2

Simplifying
a = -2

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