4a+7-9a-2=

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Solution for 4a+7-9a-2= equation:


Simplifying
4a + 7 + -9a + -2 = 0

Reorder the terms:
7 + -2 + 4a + -9a = 0

Combine like terms: 7 + -2 = 5
5 + 4a + -9a = 0

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

Solving
5 + -5a = 0

Solving for variable 'a'.

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

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

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

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

Divide each side by '-5'.
a = 1

Simplifying
a = 1

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