One-Step Equations
3=1+a
What is 2
-10-3b=20
What is -10
-2 = -7m + 6m
What is 2
-2k+22=4(8k-3)
What is k = 1
What is the first step in solving multistep equations?
What is Distribute (get rid of grouping symbols)
Solve for x:
-5=5x
What is -1
-55= -5(-9+m)
What is 20
93= -3(6x+4)-3
What is x is -6
2+x=1+6(7x+7)
What is x=-1
What is the second step in solving multistep equations?
What is combine like terms
x/2 = -7
What is x=-14
-4 + b/6 = -6
What is b = -12
-168=-7(-5+3x)-8x
What is x = 7
5(7n+8)+5n=4+4n
What is n=-1
After parenthesis and combining like terms what should you look for next in big equations?
Move the variable to one side
v/8=5/8
What is 5
5 = (-2+n)/3
What is n = 17
-4(5x-8)= -108
What is a=7
4r+39=5(5-2r)
What is r=-1
What is the first step usually when down to a two step problem?
Add or Subtract to isolate the variable term
Joe ran 17 miles less than Alayah. Joe ran 11 miles. How many miles did Alayah run?
What is 28
A cookie jar starts off with 32 cookies in it and each day 2 cookies are eaten. After a certain number of days there are 14 cookies left in the jar. Write an equation to represent the situation AND find the number of days that have passed.
32-2c=14
c is 9
In science class, Noah needed 8 test tubes for 3 different experiments. The first experiment required 2 test tubes and the other two experiments required the same number of test tubes. How many test tubes did each of the other two experiments require? Write an equation AND solve.
2+2x=8
What is 3
Solve for y:
-3y+2x=-3
What is y=(-3-2x)/-3
OR y=(3+2x)/3
OR y=1+2/3x
What is the last step usually in solving multistep equations?
multiply or divide to isolate the variable