2x^2-7r-16=0

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Solution for 2x^2-7r-16=0 equation:


Simplifying
2x2 + -7r + -16 = 0

Reorder the terms:
-16 + -7r + 2x2 = 0

Solving
-16 + -7r + 2x2 = 0

Solving for variable 'r'.

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

Add '16' to each side of the equation.
-16 + -7r + 16 + 2x2 = 0 + 16

Reorder the terms:
-16 + 16 + -7r + 2x2 = 0 + 16

Combine like terms: -16 + 16 = 0
0 + -7r + 2x2 = 0 + 16
-7r + 2x2 = 0 + 16

Combine like terms: 0 + 16 = 16
-7r + 2x2 = 16

Add '-2x2' to each side of the equation.
-7r + 2x2 + -2x2 = 16 + -2x2

Combine like terms: 2x2 + -2x2 = 0
-7r + 0 = 16 + -2x2
-7r = 16 + -2x2

Divide each side by '-7'.
r = -2.285714286 + 0.2857142857x2

Simplifying
r = -2.285714286 + 0.2857142857x2

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