7x+y-9=0
move constant to the left by adding its opposite to both sides. the sum of the two =0
Answer:
5 ( x + 69)/4
Step-by-step explanation:
Answer:
the number is 31.2
Step-by-step explanation:
Given that:
1/2x-19.7=-4.1
Adding 19.7 on both sides:
1/2x-19.7 + 19.7=-4.1 + 19.7
1/2x = 15.6
Multiplying both sides by 2:
x = 15.6 * 2
x = 31.2
So the number is 31.2
i hope it will help you!