The steps in solving 5b - 6 = 24 are:

Add 6 to both sides and divide both sides by 5

Add 6 to both sides and multiply both sides by 5

Subtract 6 from both sides then multiply both sides by 5

Subtract 6 from both sides then divide both sides by 5

What was done to solve the equation? (Line 1) 5x - 8 = 32 (Line 2) 5x = 40 (Line 3) x = 8

add 8 to both sides, then divide both sides by 5

add 8 to both sides, then divide both sides by 40

subtract 8 from both sides, then divide by 5

subtract 8 from both sides, then multiply by 5

Where does a mistake first occur? What should have been done?

Line 4 - You should divide by -3 on both sides.

Line 2 - You should subtract 4 from both sides.

Line 2 - You should divide by 3 first.

Where does a mistake first occur? What should have been done?

Step 1 - You should add 4 to both sides first.

Step 2 - You should have multiplied 2 on both sides.

A coefficient is __________.

the number that is multiplied by the variable

What is the first inverse operation needed to solve for p? 765 = 5p - 254

Subtracting 254 from both sides

Is the solution below correct? If not, where was the first mistake made? 5 = 2d - 18 -2d = -2d 3d = -18 ÷3 = ÷3 d = 6

No, they should have added 18 to both sides instead of subtracting 2d from both sides.

No, they forgot that -18 divided by 3 is -6, not 6.

No, they should have subtracted 2 from both sides, not 2d.

Expressions, Equations, Inequalities

Quiz

•

Mathematics

•

7th Grade

•

Practice Problem

•

Medium

•

CCSS

7.EE.B.4A, 6.EE.B.8, 7.EE.A.1

+8

Standards-aligned

Brian Miller

Used 37+ times

FREE Resource

Tags

CCSS.HSN.CN.A.2

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Simplify the following expression:
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