Algebraic Expressions
Write the algebraic expression.
Four more than the price, p
p+4
Solve for y.
y+ 0.4= 2
y=2.4
solve for m
3m+5=8
m=1
4x+11= 19
x=2
Alyson opened a savings account with $100. She saves $50 per month. Write an equation that shows how many months, m, Alyson will have to save to have a total of $250 in her account.
100 + 50x = 250
Five less than three times the length, L
3L-5
12=1a
a=12
solve for x
2x-3=5
x=4
solve for y
3y-10=14
y=8
Jerry has $150 in his checking account. He withdraws $15 a day for lunch. Write an equation that represents the number of days, x, it will take for Jerry’s account to have a balance of $120.
150 - 15x = 120
Write a word form of the expression
100-5n
one hundred minus five times the number of cars
solve for r
r/4 = 250
r= 1,000
solve for n
2n-5= 25
n=15
solve for p
5+2p=11
p=3
Ed earns a $100 commission on each computer he sells plus a base salary of $50,000. His total income last year was $75,000. Write an equation that can be used to find how many computers Ed sold last year.
50,000 + 100x = 75,000
Write the algebraic expression.
Fifty decreased by two tenths of m
50-0.2m
solve for z
15z=75
5
solve for t
5t-2=28
t= 6
solve for x
3x-7 =8
x=5
Jason paid a $100 start-up fee for his telephone. He also pays a monthly service charge of x. Jason paid a total of $340 in the first 6 months. Which of the equations below can be used to find the monthly service charge?
100 + 6x = 340
Write a word expression
5+ 2n
5 increased by 2 times a number, n
solve for b
2.5b=25
b=10
solve for p
2p+3=7
p=5
solve for z
1.5z + .5 = 12
z=7
Beth has $108.50 in her bank account. After she buys x shirts for $5.50 each, $26 remains in her account. Write an equation to find how many shirts she bought.
108.5 - 5.5x = 26