7q^2-4=16

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Solution for 7q^2-4=16 equation:


Simplifying
7q2 + -4 = 16

Reorder the terms:
-4 + 7q2 = 16

Solving
-4 + 7q2 = 16

Solving for variable 'q'.

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

Add '4' to each side of the equation.
-4 + 4 + 7q2 = 16 + 4

Combine like terms: -4 + 4 = 0
0 + 7q2 = 16 + 4
7q2 = 16 + 4

Combine like terms: 16 + 4 = 20
7q2 = 20

Divide each side by '7'.
q2 = 2.857142857

Simplifying
q2 = 2.857142857

Take the square root of each side:
q = {-1.690308509, 1.690308509}

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