j^2+4=8

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Solution for j^2+4=8 equation:


Simplifying
j2 + 4 = 8

Reorder the terms:
4 + j2 = 8

Solving
4 + j2 = 8

Solving for variable 'j'.

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

Add '-4' to each side of the equation.
4 + -4 + j2 = 8 + -4

Combine like terms: 4 + -4 = 0
0 + j2 = 8 + -4
j2 = 8 + -4

Combine like terms: 8 + -4 = 4
j2 = 4

Simplifying
j2 = 4

Take the square root of each side:
j = {-2, 2}

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