One and Two-Step Equations
-4n=-68
n=17
m^2/-2=-98
m=+-14
-9(m+3)+14=-49
m=4
"Five less than the product of a number and -8 is -77"
-8n-5=-77
Solve each inequality. Graph your solution on the number line.
9x-13<-58
x<-5
16=40-3p
8=p
9x^2-7=18
x=+-5/3
13n+26=8n-29
n=-11
"The sum of two-ninths of a number and 17 is 21."
2/9n+17=21
Solve each inequality. Graph your solution on the number line.
19-4p<55
p> -9
-5=x/(2.4)
-12=x
3/4y^2-11=232
y=+-18
2(2v-9)+1=-5v-17+9v
infinitely many solutions
"The quotient of a number decreased by 7 and -2 is -10."
(n-7)/-2=-10
Solve each inequality. Graph your solution on the number line.
(k-13)/5< -3
k<-2
7/3x+19=-2
w=-9
m^2=36
m=+-6
-2(3a-8)=2/3(3a-60)
a=7
Three -eighths of the seventh grade students were taking advanced math at the beginning of the year, but seven dropped out by the end of the year. If there were 140 students taking advanced math at the end of the year, how many total 7th grade students are there?
392 students
Solve each inequality. Graph your solution on the number line.
11n-14 < 5n+4
n<3
(r-7)/6=-5
r=-23
x^2+5=30
x=+-5
13-2(4r-5)=5-(7+8r)
No Solution
The sum of two numbers is 61. If the larger number is seven less than three times the smaller number, find both numbers.
Smaller number - 17
Larger number - 44
Solve each inequality. Graph your solution on the number line.
1/2(8c+10)>4(2c-6)+1
c<7