-1=3a-1+4a

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Solution for -1=3a-1+4a equation:


Simplifying
-1 = 3a + -1 + 4a

Reorder the terms:
-1 = -1 + 3a + 4a

Combine like terms: 3a + 4a = 7a
-1 = -1 + 7a

Add '1' to each side of the equation.
-1 + 1 = -1 + 1 + 7a

Combine like terms: -1 + 1 = 0
0 = -1 + 1 + 7a

Combine like terms: -1 + 1 = 0
0 = 0 + 7a
0 = 7a

Solving
0 = 7a

Solving for variable 'a'.

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

Add '-7a' to each side of the equation.
0 + -7a = 7a + -7a
Remove the zero:
-7a = 7a + -7a

Combine like terms: 7a + -7a = 0
-7a = 0

Divide each side by '-7'.
a = 0

Simplifying
a = 0

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