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whats 9xsomething=21
2times What equals 10
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-150-9x equals 10x plus 21 what is x?
-171 = 19x so x = -9
What is the answer to this solution 9x 6 equals 51?
9x+6=51 9x = 45 x= 5 9x-6=51 9x = 57 x= 6.33
What is x in 9x equals 4?
9X=4 gives x=4/9
5x-7 equals 9x-27 equals?
x = 5
What is the answer to 12x plus 6 equals 9x plus 27?
12x + 6=9x + 27 12x-9x + 6=9x - 9x + 27 subtract 9x from both sides. 3x + 6 = 27 simplify 3x + 6 - 6=27 - 6 subtract 6 from both sides. 3x=21 simplify 3x/3=21/3 divide both sides by 3 x=7 simplify 12(7) + 6=>84+6=>90 9(7) + 27=>63+27=>90 It checks out!
What is the Y-incercept if -9X plus Y equals 21?
standard form equation is y = mx + b where m =slope and b = y intercept -9x + y = 21 add 9x to both sides y = 9x +21 b = y intercept = 21
What is the orderedpair for 9x-3y equals 63 and 7x-3y equals 45?
9x-3y=63 7x-3y=45 -3y=63-9x -y=21-3x y=-21+3x 7x-3(-21+3x)=45 7x+63+9x=45 7x+9x=45-63 16x=-18 x=-1.125 y=-21+3(-1.125) y=-24.375 (-1.125,-24.375)
Which equation is equivalent to 12-9x equals 21?
120 - 90x = 210
What is the answer to 9x-19 equals 6x plus 2?
9x-19=6x+2 so 3x=21 and x=7
-150-9x equals 10x plus 21 what is x?
-171 = 19x so x = -9
13-9x equals 127-30x what is x?
x is approximately equal to 5.42857 or 114/21
What does y equals 9x equals 3 equal?
y=9x=3it equals ......y= 3.334
The order pair for 3x plus 5y equals 21 and -9x plus 4y equals -6?
x = 2, y = 3
9x - 16 equals 9x - 23?
x=-7
3x plus 5y equals 21 -9x plus 4y equals -6?
Multiply first equation by 3: 9x + 15y = 63Add that and second equation: 19y = 57Divide by 19: y = 3, so x = 2
What is the answer to x2-9x plus 21 equals 0?
This quadratic equation has no solutions because its discriminant is less than zero.
If x equals 10 and y equals 10 then 9x plus 8y equals?
If x equals 10 and y equals 10, then 9x plus 8y equals 170.
