81x^2+15y-4=20

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Solution for 81x^2+15y-4=20 equation:


Simplifying
81x2 + 15y + -4 = 20

Reorder the terms:
-4 + 81x2 + 15y = 20

Solving
-4 + 81x2 + 15y = 20

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 81x2 + 4 + 15y = 20 + 4

Reorder the terms:
-4 + 4 + 81x2 + 15y = 20 + 4

Combine like terms: -4 + 4 = 0
0 + 81x2 + 15y = 20 + 4
81x2 + 15y = 20 + 4

Combine like terms: 20 + 4 = 24
81x2 + 15y = 24

Add '-15y' to each side of the equation.
81x2 + 15y + -15y = 24 + -15y

Combine like terms: 15y + -15y = 0
81x2 + 0 = 24 + -15y
81x2 = 24 + -15y

Divide each side by '81'.
x2 = 0.2962962963 + -0.1851851852y

Simplifying
x2 = 0.2962962963 + -0.1851851852y

Reorder the terms:
-0.2962962963 + x2 + 0.1851851852y = 0.2962962963 + -0.1851851852y + -0.2962962963 + 0.1851851852y

Reorder the terms:
-0.2962962963 + x2 + 0.1851851852y = 0.2962962963 + -0.2962962963 + -0.1851851852y + 0.1851851852y

Combine like terms: 0.2962962963 + -0.2962962963 = 0.0000000000
-0.2962962963 + x2 + 0.1851851852y = 0.0000000000 + -0.1851851852y + 0.1851851852y
-0.2962962963 + x2 + 0.1851851852y = -0.1851851852y + 0.1851851852y

Combine like terms: -0.1851851852y + 0.1851851852y = 0.0000000000
-0.2962962963 + x2 + 0.1851851852y = 0.0000000000

The solution to this equation could not be determined.

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