Question

4a + 1 = a + 7
Solve for a

Answer 1

The answer to this question is a=2

Answer 2

a = 2

Explanation:

Move the variable to the left-hand side and change its sign.

4a + 1 - a = 7

Move the constant to the right-hand side and change its sign.

4a - a = 7 - 1

Collect like terms

3a = 7 - 1

Subtract the numbers

3a = 6

Divide both sides of the equation by 3

a = 2