Let's solve your equation step-by-step.
84
=
42
+
x
3
Step 1: Simplify both sides of the equation.
84
=
42
+
x
3
84
=
42
+
1
3
x
84
=
1
3
x
+
42
Step 2: Flip the equation.
1
3
x
+
42
=
84
Step 3: Subtract 42 from both sides.
1
3
x
+
42
−
42
=
84
−
42
1
3
x
=
42
Step 4: Multiply both sides by 3.
3
*
(
1
3
x
)
=
(
3
)
*
(
42
)
x
=
126
Answer:
x
=
126
Domain: (-infinity, infinity)
All linear equations(unless they have restrictions) will have a domain that goes on forever in both directions of the x-axis
Answer:
10 books
Step-by-step explanation:
5 shelves and 45 books on each of those shelves equals 225. 235 minus 225 is equal to 10 books.
Megan can buy 22 decorations
Here is my work
300-75=225
225/10=22.5
Since you can’t buy half of a decoration she can but 22.
Since it says m1 is 120 and it says find m3 don’t you need to multiply or I’m wrong
