7a+7=9a+1

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


Simplifying
7a + 7 = 9a + 1

Reorder the terms:
7 + 7a = 9a + 1

Reorder the terms:
7 + 7a = 1 + 9a

Solving
7 + 7a = 1 + 9a

Solving for variable 'a'.

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

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

Combine like terms: 7a + -9a = -2a
7 + -2a = 1 + 9a + -9a

Combine like terms: 9a + -9a = 0
7 + -2a = 1 + 0
7 + -2a = 1

Add '-7' to each side of the equation.
7 + -7 + -2a = 1 + -7

Combine like terms: 7 + -7 = 0
0 + -2a = 1 + -7
-2a = 1 + -7

Combine like terms: 1 + -7 = -6
-2a = -6

Divide each side by '-2'.
a = 3

Simplifying
a = 3

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