3a-4=2a+15

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Solution for 3a-4=2a+15 equation:


Simplifying
3a + -4 = 2a + 15

Reorder the terms:
-4 + 3a = 2a + 15

Reorder the terms:
-4 + 3a = 15 + 2a

Solving
-4 + 3a = 15 + 2a

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-2a' to each side of the equation.
-4 + 3a + -2a = 15 + 2a + -2a

Combine like terms: 3a + -2a = 1a
-4 + 1a = 15 + 2a + -2a

Combine like terms: 2a + -2a = 0
-4 + 1a = 15 + 0
-4 + 1a = 15

Add '4' to each side of the equation.
-4 + 4 + 1a = 15 + 4

Combine like terms: -4 + 4 = 0
0 + 1a = 15 + 4
1a = 15 + 4

Combine like terms: 15 + 4 = 19
1a = 19

Divide each side by '1'.
a = 19

Simplifying
a = 19

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