4r^2+8=1+7

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Solution for 4r^2+8=1+7 equation: 


Simplifying
4r2 + 8 = 1 + 7

Reorder the terms:
8 + 4r2 = 1 + 7

Combine like terms: 1 + 7 = 8
8 + 4r2 = 8

Add '-8' to each side of the equation.
8 + -8 + 4r2 = 8 + -8

Combine like terms: 8 + -8 = 0
0 + 4r2 = 8 + -8
4r2 = 8 + -8

Combine like terms: 8 + -8 = 0
4r2 = 0

Solving
4r2 = 0

Solving for variable 'r'.

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

Divide each side by '4'.
r2 = 0

Simplifying
r2 = 0

Take the square root of each side:
r = {0}

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