Register
3m + 1m -7 + 3m = 21 solve this one to
112k views
3 votes
3m + 1m -7 + 3m = 21 solve this one to

User AJReading
by
7.7k points

2 Answers

5 votes
3m + 1m -7 + 3m = 21
3m + 1m -7 + 3m = 21
+7 + 7
3m + 1m +3m =28
7m =28
7m/7 =28/7
m=4
User Taha Zgued
by
8.9k points
2 votes
Let's solve your equation step-by-step.

3m+1m−7+3m=21

Step 1: Simplify both sides of the equation.

3m+1m−7+3m=21

Simplify: (Show steps)

7m−7=21

Step 2: Add 7 to both sides.

7m−7+7=21+7

7m=28

Step 3: Divide both sides by 7.

7m/7=28/7

m=4

Answer:m=4
User OllyBarca
by
8.1k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Write words to match the expression. 24- ( 6+3)
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
The cost of 5 similar digital cameras and 3 similar video cameras is 3213. Each video camera costs 4 times as much as each digital camera. John buys a digital camera and a video camera. How much does he
Link Copied!