3J+7=2(J+7)

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Solution for 3J+7=2(J+7) equation:


Simplifying
3J + 7 = 2(J + 7)

Reorder the terms:
7 + 3J = 2(J + 7)

Reorder the terms:
7 + 3J = 2(7 + J)
7 + 3J = (7 * 2 + J * 2)
7 + 3J = (14 + 2J)

Solving
7 + 3J = 14 + 2J

Solving for variable 'J'.

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

Add '-2J' to each side of the equation.
7 + 3J + -2J = 14 + 2J + -2J

Combine like terms: 3J + -2J = 1J
7 + 1J = 14 + 2J + -2J

Combine like terms: 2J + -2J = 0
7 + 1J = 14 + 0
7 + 1J = 14

Add '-7' to each side of the equation.
7 + -7 + 1J = 14 + -7

Combine like terms: 7 + -7 = 0
0 + 1J = 14 + -7
1J = 14 + -7

Combine like terms: 14 + -7 = 7
1J = 7

Divide each side by '1'.
J = 7

Simplifying
J = 7

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