7a+28=3a+124

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Solution for 7a+28=3a+124 equation:


Simplifying
7a + 28 = 3a + 124

Reorder the terms:
28 + 7a = 3a + 124

Reorder the terms:
28 + 7a = 124 + 3a

Solving
28 + 7a = 124 + 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.
28 + 7a + -3a = 124 + 3a + -3a

Combine like terms: 7a + -3a = 4a
28 + 4a = 124 + 3a + -3a

Combine like terms: 3a + -3a = 0
28 + 4a = 124 + 0
28 + 4a = 124

Add '-28' to each side of the equation.
28 + -28 + 4a = 124 + -28

Combine like terms: 28 + -28 = 0
0 + 4a = 124 + -28
4a = 124 + -28

Combine like terms: 124 + -28 = 96
4a = 96

Divide each side by '4'.
a = 24

Simplifying
a = 24

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