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-9r = 20 + r
subtract r from both sides
-10r = 20
divide both sides by -10
r = -2
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What is r plus 8r?
9r-- think of the 'r' as '1r' and add like you normally would.
What is the solution for 3r - 9r equals 18?
3r - 9r = 18 wright equaton -6r = 18 combine like terms r = -3 solve
R² plus r-20 equals 0?
r2 + r - 20 = 0(r + 5)(r - 4) = 0r + 5 = 0 or r - 4 = 0r = -5 or r = 4
What is 8 minus the product of 9 and r?
If we assume that "r" is unknown: -9r+8 or 8-9r It cannot be simplified further.
Q plus r equals s so t plus u equals?
v
What is 3 plus 10-r plus 6r equals -3 plus 9r plus 5-5?
3+10-r+6r = -3+9r+0 13+5r = -3+9r 16 = 4r r = 4
-9r plus 10r?
-9r plus 10r can be written as ( -9r + 10r) and the answer is r.
What is Negative two n plus seven n minus r plus ten r?
It is 5n + 9r.
What is the answer of 9r equals 3r plus 6?
9r = 3r + 6 subtract 3r from both sides 6r = 6 divide both sides by 6 r=1 ■
How do you work out the problem 9r equals 3r plus 6?
9r = 3r+6 Subtract 3r from both sides: 6r = 6 Divide both sides by 6 to find the value of r: r = 1
-9 equals 20 plus r?
r=-29
What is the solution for 3r - 9r equals 18?
3r - 9r = 18 wright equaton -6r = 18 combine like terms r = -3 solve
What is r plus 8r?
9r-- think of the 'r' as '1r' and add like you normally would.
LCM of r2-25 and r2 plus 14r plus 45?
The LCM is r^3 + 9r^2 - 25r - 225.
What is -8R-R?
-9r
What is 5r plus 20 equals 40?
It is a linear equation in the variable r.
R² plus r-20 equals 0?
r2 + r - 20 = 0(r + 5)(r - 4) = 0r + 5 = 0 or r - 4 = 0r = -5 or r = 4
