-1a+130=4a+105

Solution for -1a+130=4a+105 equation:

Simplifying
-1a + 130 = 4a + 105

Reorder the terms:
130 + -1a = 4a + 105

Reorder the terms:
130 + -1a = 105 + 4a

Solving
130 + -1a = 105 + 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.
130 + -1a + -4a = 105 + 4a + -4a

Combine like terms: -1a + -4a = -5a
130 + -5a = 105 + 4a + -4a

Combine like terms: 4a + -4a = 0
130 + -5a = 105 + 0
130 + -5a = 105

Add '-130' to each side of the equation.
130 + -130 + -5a = 105 + -130

Combine like terms: 130 + -130 = 0
0 + -5a = 105 + -130
-5a = 105 + -130

Combine like terms: 105 + -130 = -25
-5a = -25

Divide each side by '-5'.
a = 5

Simplifying
a = 5