Respuesta :
Answer: x=2.1
Step-by-step explanation:
[tex]7x+15=30[/tex]
[tex]-15[/tex] on both sides
7x=15
divide 7 on both sides
x=2.14
round
x=2.1
Answer:
x= 15/7
hope it helps!
Step-by-step explanation:
First state the equation:
7x+15=30
Bring 15 to the other side of the equation, making the (+) to (-)
So,
7x+15= 30
7x= 30-15
7x= 15
Bring 7 to the other side, it'll become 1/7
x= 15*1/7
= 15/7
= 2.14 in decimal form