2x+5x+2-8+21a=

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Solution for 2x+5x+2-8+21a= equation:


Simplifying
2x + 5x + 2 + -8 + 21a = 0

Reorder the terms:
2 + -8 + 21a + 2x + 5x = 0

Combine like terms: 2 + -8 = -6
-6 + 21a + 2x + 5x = 0

Combine like terms: 2x + 5x = 7x
-6 + 21a + 7x = 0

Solving
-6 + 21a + 7x = 0

Solving for variable 'a'.

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

Add '6' to each side of the equation.
-6 + 21a + 6 + 7x = 0 + 6

Reorder the terms:
-6 + 6 + 21a + 7x = 0 + 6

Combine like terms: -6 + 6 = 0
0 + 21a + 7x = 0 + 6
21a + 7x = 0 + 6

Combine like terms: 0 + 6 = 6
21a + 7x = 6

Add '-7x' to each side of the equation.
21a + 7x + -7x = 6 + -7x

Combine like terms: 7x + -7x = 0
21a + 0 = 6 + -7x
21a = 6 + -7x

Divide each side by '21'.
a = 0.2857142857 + -0.3333333333x

Simplifying
a = 0.2857142857 + -0.3333333333x

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