9a+8(a+2)=31

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Solution for 9a+8(a+2)=31 equation:


Simplifying
9a + 8(a + 2) = 31

Reorder the terms:
9a + 8(2 + a) = 31
9a + (2 * 8 + a * 8) = 31
9a + (16 + 8a) = 31

Reorder the terms:
16 + 9a + 8a = 31

Combine like terms: 9a + 8a = 17a
16 + 17a = 31

Solving
16 + 17a = 31

Solving for variable 'a'.

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

Add '-16' to each side of the equation.
16 + -16 + 17a = 31 + -16

Combine like terms: 16 + -16 = 0
0 + 17a = 31 + -16
17a = 31 + -16

Combine like terms: 31 + -16 = 15
17a = 15

Divide each side by '17'.
a = 0.8823529412

Simplifying
a = 0.8823529412

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