12x^2+5r-7=0

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Solution for 12x^2+5r-7=0 equation:


Simplifying
12x2 + 5r + -7 = 0

Reorder the terms:
-7 + 5r + 12x2 = 0

Solving
-7 + 5r + 12x2 = 0

Solving for variable 'r'.

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

Add '7' to each side of the equation.
-7 + 5r + 7 + 12x2 = 0 + 7

Reorder the terms:
-7 + 7 + 5r + 12x2 = 0 + 7

Combine like terms: -7 + 7 = 0
0 + 5r + 12x2 = 0 + 7
5r + 12x2 = 0 + 7

Combine like terms: 0 + 7 = 7
5r + 12x2 = 7

Add '-12x2' to each side of the equation.
5r + 12x2 + -12x2 = 7 + -12x2

Combine like terms: 12x2 + -12x2 = 0
5r + 0 = 7 + -12x2
5r = 7 + -12x2

Divide each side by '5'.
r = 1.4 + -2.4x2

Simplifying
r = 1.4 + -2.4x2

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