5a-7=a-1+3a

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Solution for 5a-7=a-1+3a equation:


Simplifying
5a + -7 = a + -1 + 3a

Reorder the terms:
-7 + 5a = a + -1 + 3a

Reorder the terms:
-7 + 5a = -1 + a + 3a

Combine like terms: a + 3a = 4a
-7 + 5a = -1 + 4a

Solving
-7 + 5a = -1 + 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.
-7 + 5a + -4a = -1 + 4a + -4a

Combine like terms: 5a + -4a = 1a
-7 + 1a = -1 + 4a + -4a

Combine like terms: 4a + -4a = 0
-7 + 1a = -1 + 0
-7 + 1a = -1

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

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

Combine like terms: -1 + 7 = 6
1a = 6

Divide each side by '1'.
a = 6

Simplifying
a = 6

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