100k views
5 votes
2x+3=7

this equation has multiplication and addition in it. to solve this equation you need to get x by itself which means you need to get 2x by itself first. how can you do this?

2 Answers

5 votes

Answer:

read below

Explanation:

2x + 3 = 7

To isolate 2x, subtract 3 from both sides of the equation.


2x + (3)/(-3) = (7)/(-3)

3 - 3 = 0

7 - 3 = 4


2x = 4

divide both sides by 2


x = 2

User Zkwsk
by
3.5k points
7 votes

Answer:

Subtract 3 from both sides.

Explanation:

Doing this will leave 2x by itself.

User Robinkc
by
4.4k points