One-step equations: subtraction

Difficulty Standard · Set dxt9i8

Fill in what you can and press Check. Nothing you type is sent anywhere.

1
Solve for x:x−7=3x =
2
Solve for x:x−14=-5x =
3
Solve for x:x−3=4x =
4
Solve for x:x−10=8x =
5
Solve for x:x−13=-4x =
6
Solve for x:x−12=-3x =
7
Solve for x:x−13=-3x =
8
Solve for x:x−13=-7x =
9
Solve for x:x−14=-3x =
10
Solve for x:x−8=-6x =
11
Solve for x:x−4=12x =
12
Solve for x:x−12=5x =
13
Solve for x:x−4=6x =
14
Solve for x:x−12=-7x =
15
Solve for x:x−3=14x =
16
Solve for x:x−12=-10x =
17
Solve for x:x−14=0x =
18
Solve for x:x−5=8x =
19
Solve for x:x−13=-3x =
20
Solve for x:x−9=1x =

What is in this set

The numbers in this set run from 1 to 15.
Every problem in it will take one step.
A careful solution takes 1 written step on average.
The mistake this set invites most often, in 100% of the problems: 5 was taken from both sides instead of added.
Answers are a whole number.

Drawing 240 problems from this page produced 150 different ones, 63% — so a sheet of 20 is a new sheet almost every time.

The same skill, harder or easier

We would put this in front of a grade 6 class. That is our judgement, not a standard, and it is printed here so you can disagree with it. Everything else we put in that year.