(3a-7)-2(a+1)=5

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Solution for (3a-7)-2(a+1)=5 equation:


Simplifying
(3a + -7) + -2(a + 1) = 5

Reorder the terms:
(-7 + 3a) + -2(a + 1) = 5

Remove parenthesis around (-7 + 3a)
-7 + 3a + -2(a + 1) = 5

Reorder the terms:
-7 + 3a + -2(1 + a) = 5
-7 + 3a + (1 * -2 + a * -2) = 5
-7 + 3a + (-2 + -2a) = 5

Reorder the terms:
-7 + -2 + 3a + -2a = 5

Combine like terms: -7 + -2 = -9
-9 + 3a + -2a = 5

Combine like terms: 3a + -2a = 1a
-9 + 1a = 5

Solving
-9 + 1a = 5

Solving for variable 'a'.

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

Add '9' to each side of the equation.
-9 + 9 + 1a = 5 + 9

Combine like terms: -9 + 9 = 0
0 + 1a = 5 + 9
1a = 5 + 9

Combine like terms: 5 + 9 = 14
1a = 14

Divide each side by '1'.
a = 14

Simplifying
a = 14

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