9+a+4a=15-2a

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Solution for 9+a+4a=15-2a equation:


Simplifying
9 + a + 4a = 15 + -2a

Combine like terms: a + 4a = 5a
9 + 5a = 15 + -2a

Solving
9 + 5a = 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.
9 + 5a + 2a = 15 + -2a + 2a

Combine like terms: 5a + 2a = 7a
9 + 7a = 15 + -2a + 2a

Combine like terms: -2a + 2a = 0
9 + 7a = 15 + 0
9 + 7a = 15

Add '-9' to each side of the equation.
9 + -9 + 7a = 15 + -9

Combine like terms: 9 + -9 = 0
0 + 7a = 15 + -9
7a = 15 + -9

Combine like terms: 15 + -9 = 6
7a = 6

Divide each side by '7'.
a = 0.8571428571

Simplifying
a = 0.8571428571

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