9a+7-4a=

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Solution for 9a+7-4a= equation: 


Simplifying
9a + 7 + -4a = 0

Reorder the terms:
7 + 9a + -4a = 0

Combine like terms: 9a + -4a = 5a
7 + 5a = 0

Solving
7 + 5a = 0

Solving for variable 'a'.

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

Add '-7' to each side of the equation.
7 + -7 + 5a = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 5a = 0 + -7
5a = 0 + -7

Combine like terms: 0 + -7 = -7
5a = -7

Divide each side by '5'.
a = -1.4

Simplifying
a = -1.4

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