What is the justification for the step taken from line 2 to line 3? 3x+9-7x=x+10+X
-4x+9=2x+10
C
-6x+9=10
-6x=1
x==
6
1

Write the sentence as an equation. z plus 372 is equal to 160

2x + 1 < 5 solve the following inequality. then place the correct number in the box provided.

Mary used 1/7 of a spool of ribbon to complete 4 projects. she used the same amount of ribbon on each project. how much ribbon did she use on each project?