Answer:
x +1
Step-by-step explanation:
6x-5-(5x-6)
Distribute the minus sign
6x-5-5x+6
Combine like terms
6x -5x -5+6
x +1
<span>3 times the complement of an angle is 30 more than the supplement of the original angle.
so if the angle is x then its complement is 90-x & supplement is 180-x
so 3(90-x)=(180-x)+30
or 270-3x=210-x
or 3x-x=270-210
or 2x=60
or x=30 the original angle
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Answer:
77.14 minutes.
Step-by-step explanation:
Jack's time = 3 hours
Jill's time = 2.25 hours = 2 1/4 = 9/4 hours
Combined time = x
Rates :
Jack = 1/3 ; jill = 1 / 2.25 = 1 / 9/4 = 4 /9
Combined rate = 1/x
Setting up the equation :
1/3 + 4/9 = 1/x
Lcm of 3 and 9 = 9
(3 + 4) / 9 = 1/x
7/9 = 1/x
Cross multiply :
7x = 9
x = 9/7 hours
x = (9/7)* 60
x = 77.14 minutes
Combined time = 77.14 minutes.
Answer:
-5x
Step-by-step explanation:
-10+5= -5 then you put -5 with x to get -5x
