9a-2(a+1)=

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Solution for 9a-2(a+1)= equation:


Simplifying
9a + -2(a + 1) = 0

Reorder the terms:
9a + -2(1 + a) = 0
9a + (1 * -2 + a * -2) = 0
9a + (-2 + -2a) = 0

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

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

Solving
-2 + 7a = 0

Solving for variable 'a'.

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

Add '2' to each side of the equation.
-2 + 2 + 7a = 0 + 2

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

Combine like terms: 0 + 2 = 2
7a = 2

Divide each side by '7'.
a = 0.2857142857

Simplifying
a = 0.2857142857

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