SHOW WORK on how to solve for the variable. Then check/plug your answer back into the equation see if you are correct.
Solve for x
3x = 15
Type in answer as x =
Solve for y
Type in answer as y =
Solve for b
-20b = 80
Type in answer as b =
Solve for r
Type in answer as r =
Solve for z
Type answer as z =
The inverse operation of multiplication is:
The inverse operation of division is:
How would you solve the following equation?
150 = 25y
How would you solve the following equation?
Error Anaylsis:
Nick, James, and Kristen are debating about how the equation below should be solved.
-5x = 7
Nick says you should add -5 to both sides. James says you should multiply both sides by -5. Kristen says you should divide both sides by -5.
Who do you agree with? Solve the problem in the show your work section.