9+7a=1+3a

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Solution for 9+7a=1+3a equation:


Simplifying
9 + 7a = 1 + 3a

Solving
9 + 7a = 1 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
9 + 7a + -3a = 1 + 3a + -3a

Combine like terms: 7a + -3a = 4a
9 + 4a = 1 + 3a + -3a

Combine like terms: 3a + -3a = 0
9 + 4a = 1 + 0
9 + 4a = 1

Add '-9' to each side of the equation.
9 + -9 + 4a = 1 + -9

Combine like terms: 9 + -9 = 0
0 + 4a = 1 + -9
4a = 1 + -9

Combine like terms: 1 + -9 = -8
4a = -8

Divide each side by '4'.
a = -2

Simplifying
a = -2

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