Relationships
Five more than a number is 12.
What is x+5=12?
x+7=15
What is x=8?
The slope going through (2,3) and (5,9).
m=2
1/2+1/3
5/6
Three times a number decreased by 4 is 17.
What is 3x-4=17?
4x−7=19
What is
x=26/4
The y-intercept of y=2x−6
(0,-6)
1/3+5/6
7/6
A number divided by 4 is at least 9."
x/4>=9
(2x+8)/3=20
x=26
The equation of the line with slope 3 and y-intercept -2.
y=3x-2
7/5-1/4
23/20
Twice a number plus 9 is less than 21
2x+9<21
−2(x−3)≥10
(-infty,-2]
The equation of the line through (2,5) with slope -1.
y=-x+7
1/8+4/3+2/5
223/120
Seven less than triple a number is no more than 15.
What is
3x-7<=15
5−3(2x−1)<14
(-1,infty)
The solution to:
x-y=4
2x+4y=6
(11/3,-1/3)
2/5-8/3-3/7
-283/105