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Popular >

13=6+sqrt(7r)

Solution

13 = 6 + 7 r

Solution

r = 7

Solution steps

13 = 6 + 7 r

Switch sides

6 + 7 r = 13

Move

6

to the right side

7 r = 7

Square both sides:

7 r = 49

7 r = 49

Solve

7 r = 49 : r = 7

r = 7

Verify Solutions:

r = 7

True

The solution is

r = 7

Graph

Popular Examples

17=6sqrt(x+8)-1

17 = 6 x + 8 - 1

x+2+sqrt(x+3)=5

x + 2 + x + 3 = 5

sqrt(2x^2+8x+1)-x=3

2 x^{2} + 8 x + 1 - x = 3

x^{2/3}-5x^{1/3}-6=0

x^{\frac{2}{3}} - 5 x^{\frac{1}{3}} - 6 = 0

x - 2 = - 3

Frequently Asked Questions (FAQ)

What is the answer to 13=6+sqrt(7r) ?
The answer to 13=6+sqrt(7r) is r=7
Solve for r: 13=6+sqrt(7r)
The solution is r=7