4a+15=7a+6

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Solution for 4a+15=7a+6 equation:


Simplifying
4a + 15 = 7a + 6

Reorder the terms:
15 + 4a = 7a + 6

Reorder the terms:
15 + 4a = 6 + 7a

Solving
15 + 4a = 6 + 7a

Solving for variable 'a'.

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

Add '-7a' to each side of the equation.
15 + 4a + -7a = 6 + 7a + -7a

Combine like terms: 4a + -7a = -3a
15 + -3a = 6 + 7a + -7a

Combine like terms: 7a + -7a = 0
15 + -3a = 6 + 0
15 + -3a = 6

Add '-15' to each side of the equation.
15 + -15 + -3a = 6 + -15

Combine like terms: 15 + -15 = 0
0 + -3a = 6 + -15
-3a = 6 + -15

Combine like terms: 6 + -15 = -9
-3a = -9

Divide each side by '-3'.
a = 3

Simplifying
a = 3

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