3a+15=4a+15

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


Simplifying
3a + 15 = 4a + 15

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

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

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

Combine like terms: 15 + -15 = 0
0 + 3a = 15 + -15 + 4a
3a = 15 + -15 + 4a

Combine like terms: 15 + -15 = 0
3a = 0 + 4a
3a = 4a

Solving
3a = 4a

Solving for variable 'a'.

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

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

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

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

Divide each side by '-1'.
a = 0

Simplifying
a = 0

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