75=9a+6a

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Solution for 75=9a+6a equation:


Simplifying
75 = 9a + 6a

Combine like terms: 9a + 6a = 15a
75 = 15a

Solving
75 = 15a

Solving for variable 'a'.

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

Add '-15a' to each side of the equation.
75 + -15a = 15a + -15a

Combine like terms: 15a + -15a = 0
75 + -15a = 0

Add '-75' to each side of the equation.
75 + -75 + -15a = 0 + -75

Combine like terms: 75 + -75 = 0
0 + -15a = 0 + -75
-15a = 0 + -75

Combine like terms: 0 + -75 = -75
-15a = -75

Divide each side by '-15'.
a = 5

Simplifying
a = 5

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