30=16-7a

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Solution for 30=16-7a equation:


Simplifying
30 = 16 + -7a

Solving
30 = 16 + -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.
30 + 7a = 16 + -7a + 7a

Combine like terms: -7a + 7a = 0
30 + 7a = 16 + 0
30 + 7a = 16

Add '-30' to each side of the equation.
30 + -30 + 7a = 16 + -30

Combine like terms: 30 + -30 = 0
0 + 7a = 16 + -30
7a = 16 + -30

Combine like terms: 16 + -30 = -14
7a = -14

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

Simplifying
a = -2

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