(15a+3b)+(a+3b-4)=

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Solution for (15a+3b)+(a+3b-4)= equation:


Simplifying
(15a + 3b) + (a + 3b + -4) = 0

Remove parenthesis around (15a + 3b)
15a + 3b + (a + 3b + -4) = 0

Reorder the terms:
15a + 3b + (-4 + a + 3b) = 0

Remove parenthesis around (-4 + a + 3b)
15a + 3b + -4 + a + 3b = 0

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

Combine like terms: 15a + a = 16a
-4 + 16a + 3b + 3b = 0

Combine like terms: 3b + 3b = 6b
-4 + 16a + 6b = 0

Solving
-4 + 16a + 6b = 0

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 + 16a + 4 + 6b = 0 + 4

Reorder the terms:
-4 + 4 + 16a + 6b = 0 + 4

Combine like terms: -4 + 4 = 0
0 + 16a + 6b = 0 + 4
16a + 6b = 0 + 4

Combine like terms: 0 + 4 = 4
16a + 6b = 4

Add '-6b' to each side of the equation.
16a + 6b + -6b = 4 + -6b

Combine like terms: 6b + -6b = 0
16a + 0 = 4 + -6b
16a = 4 + -6b

Divide each side by '16'.
a = 0.25 + -0.375b

Simplifying
a = 0.25 + -0.375b

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