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

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


Simplifying
3(5a + b) + 4(a + 2b) = 0
(5a * 3 + b * 3) + 4(a + 2b) = 0
(15a + 3b) + 4(a + 2b) = 0
15a + 3b + (a * 4 + 2b * 4) = 0
15a + 3b + (4a + 8b) = 0

Reorder the terms:
15a + 4a + 3b + 8b = 0

Combine like terms: 15a + 4a = 19a
19a + 3b + 8b = 0

Combine like terms: 3b + 8b = 11b
19a + 11b = 0

Solving
19a + 11b = 0

Solving for variable 'a'.

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

Add '-11b' to each side of the equation.
19a + 11b + -11b = 0 + -11b

Combine like terms: 11b + -11b = 0
19a + 0 = 0 + -11b
19a = 0 + -11b
Remove the zero:
19a = -11b

Divide each side by '19'.
a = -0.5789473684b

Simplifying
a = -0.5789473684b

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