5a-b+2-7b=

Solution for 5a-b+2-7b= equation:

Simplifying
5a + -1b + 2 + -7b = 0

Reorder the terms:
2 + 5a + -1b + -7b = 0

Combine like terms: -1b + -7b = -8b
2 + 5a + -8b = 0

Solving
2 + 5a + -8b = 0

Solving for variable 'a'.

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

Add '-2' to each side of the equation.
2 + 5a + -2 + -8b = 0 + -2

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

Combine like terms: 2 + -2 = 0
0 + 5a + -8b = 0 + -2
5a + -8b = 0 + -2

Combine like terms: 0 + -2 = -2
5a + -8b = -2

Add '8b' to each side of the equation.
5a + -8b + 8b = -2 + 8b

Combine like terms: -8b + 8b = 0
5a + 0 = -2 + 8b
5a = -2 + 8b

Divide each side by '5'.
a = -0.4 + 1.6b

Simplifying
a = -0.4 + 1.6b