9a+4a-9a-3a=7

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Solution for 9a+4a-9a-3a=7 equation: 


Simplifying
9a + 4a + -9a + -3a = 7

Combine like terms: 9a + 4a = 13a
13a + -9a + -3a = 7

Combine like terms: 13a + -9a = 4a
4a + -3a = 7

Combine like terms: 4a + -3a = 1a
1a = 7

Solving
1a = 7

Solving for variable 'a'.

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

Divide each side by '1'.
a = 7

Simplifying
a = 7

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