-13+4a=7a-1

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Solution for -13+4a=7a-1 equation:


Simplifying
-13 + 4a = 7a + -1

Reorder the terms:
-13 + 4a = -1 + 7a

Solving
-13 + 4a = -1 + 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.
-13 + 4a + -7a = -1 + 7a + -7a

Combine like terms: 4a + -7a = -3a
-13 + -3a = -1 + 7a + -7a

Combine like terms: 7a + -7a = 0
-13 + -3a = -1 + 0
-13 + -3a = -1

Add '13' to each side of the equation.
-13 + 13 + -3a = -1 + 13

Combine like terms: -13 + 13 = 0
0 + -3a = -1 + 13
-3a = -1 + 13

Combine like terms: -1 + 13 = 12
-3a = 12

Divide each side by '-3'.
a = -4

Simplifying
a = -4

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