Solving Equations by Addition,Subtraction, Multiplication, & Division
r-21= -37
What is r=-16
4p - 7 = 5
What is p=3
n-2=4 - 2n
What is n=2
40/x=8
What is x=5
John is 12 years older than Bob. The sum of their age, is 60. How old are they?
r + (-1/2) = -3/4
What is r=-1/4
6 = 4v +2
What is v=1
3-4q = 10q +10
What is q= -0.5
85/x=17
What is x=5
Mort is 3 years older than twice Jon’s age. The sum of their ages is 18. How old is each?
What is 5 and 13.
6x = -42
What is x= -7
(c/-4) -8=-42
What is c=136
5t - 9 = -3t +7
What is t=2
120/3x=8
What is x=5.
Find 3 consecutive numbers whose sum is 339.
What is 112, 113, 114.
(5/2)a = -25
What is a= -10
(y/3) + 6=-45
What is y= -153
3(1 +d)-5 = 2d -2
What is d=0
162/9x=9
What is x=2.
Find 4 consecutive even numbers whose sum is 132.
What is 30, 32, 34, 36.
5 = r/2
What is r=10
(4d + 5)/7 = 7
What is d=11
3(m-1)+6m=5(2m-1)+1
What is m=1.
-4.8/x=80
What is x= -0.06
Find 3 consecutive numbers such that the sum of twice the 1st and three times the 2nd is 1 more that 3 times the 3rd.
What is 2, 3, 4.