Write an equation
Random Algebraic knowledge
Evaluate Expressions
Solve Equations
100
Natalie buys organic almonds priced at $77 from the grocery store. How much did she pay the cashier, if she received $23 in change?
x – 77 = 23
100
What is the reciprocal of -3?
-1/3
100
If b = 12, what is b + 52?
100
Solve: x + 5 = 10
x = 5
200
Clara lends half her collection of formal attires to her sister, Susan. Clara then buys four more attires. If she has 12 attires now, how many attires did Clara have initially?
x/2 + 4 = 12
200
7
200
If t = 172, what is 4t?
200
Solve: 2x + 6 = -12
x = -9
300
Write the equation we would use to solve the problem below:
Dalia bought a few swirl marbles and divided it equally among four of her friends and her brother, Jake. While playing, Jake lost 2 marbles and has only 7 marbles at present. Find how many marbles did Dalia buy in all.
x/5 - 2 = 7
300
What exponent rule is demonstrated below:
Power Rule
300
If z = 136, what is 2z – 27?
300
Solve: 2( x + 1 ) = 14
x = 6
400
Waldo has saved $14.55 in nickels and quarters. He has 21 more quarters than nickels. Write an equation to find the number of nickels he has.
0.05n + 0.25(n + 21) = 14.55
400
Simplify the expression below:
400
If x = 71, what is 24x + 9?
400
y = 5
500
500
If y = 428, what is 19y - 241?
500
x = -1 9/11 or x= -20/11