Answer: 3x + 6 -4x = 1
Simplify to -x + 6 = 1 because 3x - 4x = -1x
Answer:
x=y-4 is x=y-4
y=2+ 2x/2
Step-by-step explanation:
Answer: 9.9 Original answer is 10.5
Step-by-step explanation:
<span>let the angles be x and y.
as they are compliment
x+y=90
also given
x=7y
substituting value of x in first equation
7y+y=90
8y=90
therefore
y=11.25
x=7*y=78.75</span>
Answer:
9000
Step-by-step explanation:
3437 rounds to 3000 and 6391 rounds to 6000 add them
