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

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


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

Reorder the terms:
-2 + -5(3 + a) = 2(1 + 7a)
-2 + (3 * -5 + a * -5) = 2(1 + 7a)
-2 + (-15 + -5a) = 2(1 + 7a)

Combine like terms: -2 + -15 = -17
-17 + -5a = 2(1 + 7a)
-17 + -5a = (1 * 2 + 7a * 2)
-17 + -5a = (2 + 14a)

Solving
-17 + -5a = 2 + 14a

Solving for variable 'a'.

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

Add '-14a' to each side of the equation.
-17 + -5a + -14a = 2 + 14a + -14a

Combine like terms: -5a + -14a = -19a
-17 + -19a = 2 + 14a + -14a

Combine like terms: 14a + -14a = 0
-17 + -19a = 2 + 0
-17 + -19a = 2

Add '17' to each side of the equation.
-17 + 17 + -19a = 2 + 17

Combine like terms: -17 + 17 = 0
0 + -19a = 2 + 17
-19a = 2 + 17

Combine like terms: 2 + 17 = 19
-19a = 19

Divide each side by '-19'.
a = -1

Simplifying
a = -1

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