2x+3=7
2x+3-3=7-3
Whenever moving a number to the other side you have to change the sign .
2x= 4
x=2
Answer:
I think it's A - (0,-3)
Step-by-step explanation:
x,y
(0,-3)
y-intercept equation for this problem:

Break it down to smaller parts:


Rewriting it in a neater way:
=> 
Therefore, answer A / the first choice is correct
- have a great day, be safe & healthy -
Answer:
x > - 13
Step-by-step explanation:
Given
- 2(x + 3) < 20 ← distribute parenthesis on left side
- 2x - 6 < 20 ( add 6 to both sides )
- 2x < 26
Divide both sides by - 2, reversing the symbol as a result of dividing by a negative quantity.
x > - 13
solution set is { x | x > - 13 }
Answer:
54 years old
Step-by-step explanation:
You have to subtract his age from the total. 67-13=54