3(a+1)-2=-10

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Solution for 3(a+1)-2=-10 equation:


Simplifying
3(a + 1) + -2 = -10

Reorder the terms:
3(1 + a) + -2 = -10
(1 * 3 + a * 3) + -2 = -10
(3 + 3a) + -2 = -10

Reorder the terms:
3 + -2 + 3a = -10

Combine like terms: 3 + -2 = 1
1 + 3a = -10

Solving
1 + 3a = -10

Solving for variable 'a'.

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

Add '-1' to each side of the equation.
1 + -1 + 3a = -10 + -1

Combine like terms: 1 + -1 = 0
0 + 3a = -10 + -1
3a = -10 + -1

Combine like terms: -10 + -1 = -11
3a = -11

Divide each side by '3'.
a = -3.666666667

Simplifying
a = -3.666666667

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