4a+7=3a+15

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Solution for 4a+7=3a+15 equation:


Simplifying
4a + 7 = 3a + 15

Reorder the terms:
7 + 4a = 3a + 15

Reorder the terms:
7 + 4a = 15 + 3a

Solving
7 + 4a = 15 + 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 + 4a + -3a = 15 + 3a + -3a

Combine like terms: 4a + -3a = 1a
7 + 1a = 15 + 3a + -3a

Combine like terms: 3a + -3a = 0
7 + 1a = 15 + 0
7 + 1a = 15

Add '-7' to each side of the equation.
7 + -7 + 1a = 15 + -7

Combine like terms: 7 + -7 = 0
0 + 1a = 15 + -7
1a = 15 + -7

Combine like terms: 15 + -7 = 8
1a = 8

Divide each side by '1'.
a = 8

Simplifying
a = 8

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