120k views
3 votes
Solve for x.

7x+15=2x+19

A)x=9/34
B)x=4/9
C)x=4/5
D)x=20

User Bojangle
by
8.0k points

2 Answers

7 votes
Let's solve your equation step-by-step. 7x+15=2x+19
Step 1: Subtract 2x from both sides. 7x+152x=2x+192x
5x
+15
=19


Step 2: Subtract 15 from both sides.
5x+15−15=19−155x=4
Step 3: Divide both sides by 5. 5x/5=4/5
x=4/5






User Allquixotic
by
7.7k points
2 votes
7x+15=2x+19
Subtract 2x from both sides
5x+15=19
Subtract 15 from both sides
5x=4
Divide 5 on both sides
Final Answer: C.) x= 4/5
User Xcvr
by
8.9k points