Solving Linear Equations

Front

Solve for x:
6(2x + 1) = 18

Back

1

Front

Solve for x:
2(3x + 4) + 2 = 4 + 3x

Back

-2

Front

Solve for x:
7 - 2(10x + 1) = 25

Back

-1

Front

Solve for x:
3(5x + 10) + 10 = 6x - (x + 10)

Back

-5

Front

Find the error in the problem: 19 - 2k = 3k - 1
     +3k   +3k
19 + 1k = -1
-19           -19
k = -20

Back

Instead of adding 3k they should subtract 3k

Front

Which step contains an error? Options: Step 1, Step 2, Step 3, No Error

Back

No Error

Front

Which step contains an error? Options: Step 1, Step 2, Step 3, No Error

Back

Step 2

Front

Which step contains an error? Options: Step 1, Step 2, Step 3, Step 4, No Error

Back

No Error

Front

Which step contains an error? Options: Step 1, Step 2, Step 3, Step 4, No Error

Back

Step 2

Front

Which step contains an error? Options: Step 1, Step 2, Step 3, Step 4, No Error

Back

Step 3