3(6-1)+5(2a+7)=

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Solution for 3(6-1)+5(2a+7)= equation:


Simplifying
3(6 + -1) + 5(2a + 7) = 0

Combine like terms: 6 + -1 = 5
3(5) + 5(2a + 7) = 0

Multiply 3 * 5
15 + 5(2a + 7) = 0

Reorder the terms:
15 + 5(7 + 2a) = 0
15 + (7 * 5 + 2a * 5) = 0
15 + (35 + 10a) = 0

Combine like terms: 15 + 35 = 50
50 + 10a = 0

Solving
50 + 10a = 0

Solving for variable 'a'.

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

Add '-50' to each side of the equation.
50 + -50 + 10a = 0 + -50

Combine like terms: 50 + -50 = 0
0 + 10a = 0 + -50
10a = 0 + -50

Combine like terms: 0 + -50 = -50
10a = -50

Divide each side by '10'.
a = -5

Simplifying
a = -5

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