5j^2-4=76

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Solution for 5j^2-4=76 equation: 


Simplifying
5j2 + -4 = 76

Reorder the terms:
-4 + 5j2 = 76

Solving
-4 + 5j2 = 76

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 + 5j2 = 76 + 4

Combine like terms: -4 + 4 = 0
0 + 5j2 = 76 + 4
5j2 = 76 + 4

Combine like terms: 76 + 4 = 80
5j2 = 80

Divide each side by '5'.
j2 = 16

Simplifying
j2 = 16

Take the square root of each side:
j = {-4, 4}

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