3(5a+3)+4a=85

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Solution for 3(5a+3)+4a=85 equation:


Simplifying
3(5a + 3) + 4a = 85

Reorder the terms:
3(3 + 5a) + 4a = 85
(3 * 3 + 5a * 3) + 4a = 85
(9 + 15a) + 4a = 85

Combine like terms: 15a + 4a = 19a
9 + 19a = 85

Solving
9 + 19a = 85

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 + 19a = 85 + -9

Combine like terms: 9 + -9 = 0
0 + 19a = 85 + -9
19a = 85 + -9

Combine like terms: 85 + -9 = 76
19a = 76

Divide each side by '19'.
a = 4

Simplifying
a = 4

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