(7a+1)+2=18

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Solution for (7a+1)+2=18 equation:


Simplifying
(7a + 1) + 2 = 18

Reorder the terms:
(1 + 7a) + 2 = 18

Remove parenthesis around (1 + 7a)
1 + 7a + 2 = 18

Reorder the terms:
1 + 2 + 7a = 18

Combine like terms: 1 + 2 = 3
3 + 7a = 18

Solving
3 + 7a = 18

Solving for variable 'a'.

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

Add '-3' to each side of the equation.
3 + -3 + 7a = 18 + -3

Combine like terms: 3 + -3 = 0
0 + 7a = 18 + -3
7a = 18 + -3

Combine like terms: 18 + -3 = 15
7a = 15

Divide each side by '7'.
a = 2.142857143

Simplifying
a = 2.142857143

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