5a+7(1a+2)=-10

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Solution for 5a+7(1a+2)=-10 equation:


Simplifying
5a + 7(1a + 2) = -10

Reorder the terms:
5a + 7(2 + 1a) = -10
5a + (2 * 7 + 1a * 7) = -10
5a + (14 + 7a) = -10

Reorder the terms:
14 + 5a + 7a = -10

Combine like terms: 5a + 7a = 12a
14 + 12a = -10

Solving
14 + 12a = -10

Solving for variable 'a'.

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

Add '-14' to each side of the equation.
14 + -14 + 12a = -10 + -14

Combine like terms: 14 + -14 = 0
0 + 12a = -10 + -14
12a = -10 + -14

Combine like terms: -10 + -14 = -24
12a = -24

Divide each side by '12'.
a = -2

Simplifying
a = -2

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