one & two step equations
x+7=-1
x=-8
7k+8=2k-37
k=-9
2(4-x)=-2(a-8) ; x=?
x=no solution
What is an unknown in a mathematical equation?
Six adult tickets to a movie at the theater cost $52.50. Find the price for one ticket.
What is $8.75
8=-h
h=-8
6r-5=1+8r-24
r=9
4(2m-3)+1=8m-11 ;m=?
m=infinite solution
Addition
What is the inverse of subtraction?
Ms. Karen has 7 children in her preschool class. She would like to give each student an equal number of M&M's. If each child got 23 M&M's, how many did she start with?
What is 161 M&M's
-10x=0
x=0
-6(n-3)=5(4-n)
n=-2
-7(x-5)=4(4-x)+1 ;x=?
x=6
Division
What is the inverse of multiplication?
Kate has 79 more envelopes to stamp before she can send off her wedding invitations. If she is is sending 234 invitations in all, how many has she stamped so far?
What is 155 envelopes?
-18=-10-1.5x
x=5.3333
-5+7x-20=20-2x
x=5
12-4(2x+9)=-8(x+3) ; x=?
x=infinite solution
The answer of multiply/dividing two negatives.
What is positive?
Tessa received $50 from her grandmother for her birthday. She decided to put this money away and save an additional $12 per week so she can buy a $398 tablet. How many weeks will it take her to save?
What is 29 weeks?
1/3k-16=-1
k=45
-1/2(12v-20)+4=-12-8v
v=-13
3(3c+5)+1=2(c-20) ;c=?
c=-8
When multiplying a number outside of the parenthesis to everything inside the parenthesis.
What is distribution?
Jack is two weeks into his diet and now weighs 197 pounds. If he lost 3 pounds the first week and 6 pounds the second week, what was his starting weight?
What is 206 pounds?