7a+5=3a+9

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Solution for 7a+5=3a+9 equation:


Simplifying
7a + 5 = 3a + 9

Reorder the terms:
5 + 7a = 3a + 9

Reorder the terms:
5 + 7a = 9 + 3a

Solving
5 + 7a = 9 + 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.
5 + 7a + -3a = 9 + 3a + -3a

Combine like terms: 7a + -3a = 4a
5 + 4a = 9 + 3a + -3a

Combine like terms: 3a + -3a = 0
5 + 4a = 9 + 0
5 + 4a = 9

Add '-5' to each side of the equation.
5 + -5 + 4a = 9 + -5

Combine like terms: 5 + -5 = 0
0 + 4a = 9 + -5
4a = 9 + -5

Combine like terms: 9 + -5 = 4
4a = 4

Divide each side by '4'.
a = 1

Simplifying
a = 1

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