3[A+1]=A+10

Solution for 3[A+1]=A+10 equation:

Simplifying
3[A + 1] = A + 10

Reorder the terms:
3[1 + A] = A + 10
[1 * 3 + A * 3] = A + 10
[3 + 3A] = A + 10

Reorder the terms:
3 + 3A = 10 + A

Solving
3 + 3A = 10 + A

Solving for variable 'A'.

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

Add '-1A' to each side of the equation.
3 + 3A + -1A = 10 + A + -1A

Combine like terms: 3A + -1A = 2A
3 + 2A = 10 + A + -1A

Combine like terms: A + -1A = 0
3 + 2A = 10 + 0
3 + 2A = 10

Add '-3' to each side of the equation.
3 + -3 + 2A = 10 + -3

Combine like terms: 3 + -3 = 0
0 + 2A = 10 + -3
2A = 10 + -3

Combine like terms: 10 + -3 = 7
2A = 7

Divide each side by '2'.
A = 3.5

Simplifying
A = 3.5