5a+1=3a+7

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Solution for 5a+1=3a+7 equation:


Simplifying
5a + 1 = 3a + 7

Reorder the terms:
1 + 5a = 3a + 7

Reorder the terms:
1 + 5a = 7 + 3a

Solving
1 + 5a = 7 + 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.
1 + 5a + -3a = 7 + 3a + -3a

Combine like terms: 5a + -3a = 2a
1 + 2a = 7 + 3a + -3a

Combine like terms: 3a + -3a = 0
1 + 2a = 7 + 0
1 + 2a = 7

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

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

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

Divide each side by '2'.
a = 3

Simplifying
a = 3

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