5a+7=3a+13

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Solution for 5a+7=3a+13 equation:


Simplifying
5a + 7 = 3a + 13

Reorder the terms:
7 + 5a = 3a + 13

Reorder the terms:
7 + 5a = 13 + 3a

Solving
7 + 5a = 13 + 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.
7 + 5a + -3a = 13 + 3a + -3a

Combine like terms: 5a + -3a = 2a
7 + 2a = 13 + 3a + -3a

Combine like terms: 3a + -3a = 0
7 + 2a = 13 + 0
7 + 2a = 13

Add '-7' to each side of the equation.
7 + -7 + 2a = 13 + -7

Combine like terms: 7 + -7 = 0
0 + 2a = 13 + -7
2a = 13 + -7

Combine like terms: 13 + -7 = 6
2a = 6

Divide each side by '2'.
a = 3

Simplifying
a = 3

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