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

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


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

Reorder the terms:
3a + x + 2x = 4(a + 5)

Combine like terms: x + 2x = 3x
3a + 3x = 4(a + 5)

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

Solving
3a + 3x = 20 + 4a

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
3a + -4a + 3x = 20 + 4a + -4a

Combine like terms: 3a + -4a = -1a
-1a + 3x = 20 + 4a + -4a

Combine like terms: 4a + -4a = 0
-1a + 3x = 20 + 0
-1a + 3x = 20

Add '-3x' to each side of the equation.
-1a + 3x + -3x = 20 + -3x

Combine like terms: 3x + -3x = 0
-1a + 0 = 20 + -3x
-1a = 20 + -3x

Divide each side by '-1'.
a = -20 + 3x

Simplifying
a = -20 + 3x

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