-1a+135=4a+105

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Solution for -1a+135=4a+105 equation:


Simplifying
-1a + 135 = 4a + 105

Reorder the terms:
135 + -1a = 4a + 105

Reorder the terms:
135 + -1a = 105 + 4a

Solving
135 + -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.
135 + -1a + -4a = 105 + 4a + -4a

Combine like terms: -1a + -4a = -5a
135 + -5a = 105 + 4a + -4a

Combine like terms: 4a + -4a = 0
135 + -5a = 105 + 0
135 + -5a = 105

Add '-135' to each side of the equation.
135 + -135 + -5a = 105 + -135

Combine like terms: 135 + -135 = 0
0 + -5a = 105 + -135
-5a = 105 + -135

Combine like terms: 105 + -135 = -30
-5a = -30

Divide each side by '-5'.
a = 6

Simplifying
a = 6

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