7
QuizMultiple Choice
Solving Multi-Step Equations
Question 7 of 9 • SS-Math 7
Celia uses the steps below to solve the equation .Step 1Distribute over the expression in parentheses.Step 2Simplify like terms.Step 3Subtract 3 from both sides of the equation.Step 4Divide both sides of the equation by –14.Which corrects the error in the step in which Celia made the first error?
Answer
A
In step 1, she should have also distributed over 2d, to get .
B
In step 1, she should have also distributed over –16d, to get .
C
In step 3, she should have added 3 to both sides of the equation to get .
D
In step 3, she should have first divided both sides by –14 to get .