Solving
Solve for x: 5 + x = 12
7
the sum of four and p is 17
4 + p = 17
Determine if the ordered pair is a solution to the equation or not.
x+3=y ; (5, 8)
YES. It is a solution.
Solve for a: a - 8 = 3
11
the product of 6 and r is 48
6r = 48
Determine if the ordered pair is a solution to the equation or not.
4x = y ; (5, 21)
NO. It is not a solution.
Solve for y: 4y = 20
5
the quotient of y and 7 is 24
y/7 = 24
150 gallons of water can pump through a fire hose each minute.
Independent variable: minutes
Dependent variable: amount of water
Solve for t: t/6 = 4
24
12 less than y is 42
y - 12 = 42
Independent variable: amount of loads
Dependent variable: total cost
Lilly wants to share some candy equally among her 5 friends. If each friend received 3 candies, how many candies did Lily start with?
15 candies
A teacher bought n notebooks for her class. Each notebook costs $4 each. She spend a total of $40. Write an equation to solve how many notebooks she bought.
4n=40
Jamie and Alex collected seashells on the beach. Jamie collected x seashells and Alex collected 20 seashells. Write a two variable equation to represent the total number of seashells (t) they collected together.
x + 20 = t
Sarah has saved $60 from her allowance. If she bought a book and has $48 left, how much did the book cost?
$12
After Lucy deposited $25 in her bank account, her new account balance was $215.Write an equation to figure out how to solve how much was in her account before her deposit.
x= $190
John has twice as many marbles as Sarah. If Sarah has m marbles, write an equation to represent the total number of marbles John has.
2m=j