A+3a+(a+4)=39

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Solution for A+3a+(a+4)=39 equation:


Simplifying
A + 3a + (a + 4) = 39

Reorder the terms:
A + 3a + (4 + a) = 39

Remove parenthesis around (4 + a)
A + 3a + 4 + a = 39

Reorder the terms:
4 + A + 3a + a = 39

Combine like terms: 3a + a = 4a
4 + A + 4a = 39

Solving
4 + A + 4a = 39

Solving for variable 'A'.

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

Add '-4' to each side of the equation.
4 + A + -4 + 4a = 39 + -4

Reorder the terms:
4 + -4 + A + 4a = 39 + -4

Combine like terms: 4 + -4 = 0
0 + A + 4a = 39 + -4
A + 4a = 39 + -4

Combine like terms: 39 + -4 = 35
A + 4a = 35

Add '-4a' to each side of the equation.
A + 4a + -4a = 35 + -4a

Combine like terms: 4a + -4a = 0
A + 0 = 35 + -4a
A = 35 + -4a

Simplifying
A = 35 + -4a

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