3(7a+2)+4(5a+3)=

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Solution for 3(7a+2)+4(5a+3)= equation:


Simplifying
3(7a + 2) + 4(5a + 3) = 0

Reorder the terms:
3(2 + 7a) + 4(5a + 3) = 0
(2 * 3 + 7a * 3) + 4(5a + 3) = 0
(6 + 21a) + 4(5a + 3) = 0

Reorder the terms:
6 + 21a + 4(3 + 5a) = 0
6 + 21a + (3 * 4 + 5a * 4) = 0
6 + 21a + (12 + 20a) = 0

Reorder the terms:
6 + 12 + 21a + 20a = 0

Combine like terms: 6 + 12 = 18
18 + 21a + 20a = 0

Combine like terms: 21a + 20a = 41a
18 + 41a = 0

Solving
18 + 41a = 0

Solving for variable 'a'.

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

Add '-18' to each side of the equation.
18 + -18 + 41a = 0 + -18

Combine like terms: 18 + -18 = 0
0 + 41a = 0 + -18
41a = 0 + -18

Combine like terms: 0 + -18 = -18
41a = -18

Divide each side by '41'.
a = -0.4390243902

Simplifying
a = -0.4390243902

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