1+6a-7a=4

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Solution for 1+6a-7a=4 equation: 


Simplifying
1 + 6a + -7a = 4

Combine like terms: 6a + -7a = -1a
1 + -1a = 4

Solving
1 + -1a = 4

Solving for variable 'a'.

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

Add '-1' to each side of the equation.
1 + -1 + -1a = 4 + -1

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

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

Divide each side by '-1'.
a = -3

Simplifying
a = -3

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