Multi Step Equations
Solving Equations
Solve for x.
4(3x-10) + 7 = 15
What is:
x = 4
Solving Equations
Solve for x.
4x + 3 = 7
What is:
x = 1
Solving Inequalities
Solve for n:
165 > -7(4n-4)-3
What is:
n> -5
Solve for b:
acb - 25 = 30
b=55/ac
331 students went on a field trip. Six buses were filled and 7 students traveled in cars. How many students were in each bus?
What is x = 54
Solve the equation
5(x+1) - 2 (3x-4) = 14
What is:
X = -1
Solving Equations
Solve for x.
2x - 5 = - 11
What is:
x = -3
Solve the inequality
n+3 - 2n > 5 + n - 1 + 3
n <-2
Solve for g:
g/2 - h = 500
g = 2(500 + h)
Brittany, her mom, and her two siblings went to a movie. The cost of her mother’s ticket was $6. Brittany’s ticket cost the same as her two siblings (under 16 rate). The total for all of them to watch the movie was $15. Write an equation to show the cost of each of the under 16 rate tickets.
What is 6 + 3c = 15
solve the equation:
0.2(4-5x)+1=2.4
x=-0.6
Solving Equations
Solve for x.
-9x + 1 = -71
What is:
x = 8
Write an inequality
S is at most 55
s <= 55
Solve for k:
(jkl) / 4 +10 = 50
What is:
k = 160/(jl)
Equation
Jerome has $28 in his pocket. He wants to buy as many candy bars as he can for $1.75 each. Write an equation to show how many candy bars he can buy.
1.75n = 28
Solution: n = 16
solve the equation
0.4(2x+3)=0.3x+0.8
What is:
x = -0.8
Solve for v.
v/3 + 14 = 30
v = 48
Write an Inequality
J is less than 8
J < 8
a(x+b)=c
x=c/a
Keith has $500 in a savings account at the beginning of the summer. He wants to have at least $200 in the account by the end of summer. He withdraws (takes out) $25 a week for his cell phone bill.
What is 500 – 25w > 200
Solve the Equation:
8-3(2x-5)=4(x+2)
What is:
x=1.5
Modeling Equations
Create an equation that represents the following expression and then solve it.
Harvey's age doubled is 6
2a = 6
a = 3
Modeling and Solving Inequalities
Create an inequality to represent the scenario and solve the inequality
Julie earns $7 for each car she washes. This week, she wants to save more than $56. How many cars must she wash?
What is:
7c > 56
Solve for x:
ax = bx + c
x = (c)/(a-b)
Gerson has a gift card for $200 that loses $3 for each month it is not used. He has another gift card for $150 that loses $2 for each month is is not used. Assuming Gerson does not use the gift cards, write an equation to find the number of months, m, for when the value of the gift cards would be equal.
200-3m=150-2m
m=50