3(a+2)+4(a+5)=54

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Solution for 3(a+2)+4(a+5)=54 equation:


Simplifying
3(a + 2) + 4(a + 5) = 54

Reorder the terms:
3(2 + a) + 4(a + 5) = 54
(2 * 3 + a * 3) + 4(a + 5) = 54
(6 + 3a) + 4(a + 5) = 54

Reorder the terms:
6 + 3a + 4(5 + a) = 54
6 + 3a + (5 * 4 + a * 4) = 54
6 + 3a + (20 + 4a) = 54

Reorder the terms:
6 + 20 + 3a + 4a = 54

Combine like terms: 6 + 20 = 26
26 + 3a + 4a = 54

Combine like terms: 3a + 4a = 7a
26 + 7a = 54

Solving
26 + 7a = 54

Solving for variable 'a'.

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

Add '-26' to each side of the equation.
26 + -26 + 7a = 54 + -26

Combine like terms: 26 + -26 = 0
0 + 7a = 54 + -26
7a = 54 + -26

Combine like terms: 54 + -26 = 28
7a = 28

Divide each side by '7'.
a = 4

Simplifying
a = 4

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