(j+3)=2(a+3)

Solution for (j+3)=2(a+3) equation:

Simplifying
(j + 3) = 2(a + 3)

Reorder the terms:
(3 + j) = 2(a + 3)

Remove parenthesis around (3 + j)
3 + j = 2(a + 3)

Reorder the terms:
3 + j = 2(3 + a)
3 + j = (3 * 2 + a * 2)
3 + j = (6 + 2a)

Solving
3 + j = 6 + 2a

Solving for variable 'j'.

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

Add '-3' to each side of the equation.
3 + -3 + j = 6 + -3 + 2a

Combine like terms: 3 + -3 = 0
0 + j = 6 + -3 + 2a
j = 6 + -3 + 2a

Combine like terms: 6 + -3 = 3
j = 3 + 2a

Simplifying
j = 3 + 2a