6x+3=x+28
x = 5
-6(3-6r)=-18+4r
r = 0
7/10n +3/2 =3/5n +2
5
16-2n=-8+4(n-3)
n = 6
Xavier has $100 in his lunch account. He spends $6 for lunch each day. Zack has $160 in his lunch account. He spends $10 each day. After how many days will they have the same amount of money in their accounts?
15
8-2c=2c
c = 2
2(a-2)=3(a-5)
a = 11
1/3x +10 =3/5x
5/2
12y+5(y-6)=4
y = 2
A DJ charges a flat fee of $120 plus $25 an hour. A second DJ charges $45 an hour. After how many hours is the charge for the two DJ's the same?
6
3k-15=-k+1
k = 4
3(d+2)=5(d-6)
d = 18
3/4n - 18 =1/4n - 4
28
5-1(8v+5)=-4(1+3v)
v = -1
At Silver Gym membership is $25 per month and personal training sessions are $30 each. At Fit Factor membership is $65 a month and personal training sessions are $20 each. After how many personal training sessions would the cost be the same?
4
14+3a=-2a-1
a = -3
16(z+3)=4(z+9)
z = -1
6+ 4/5b =9/10b
60
-6x+7(1-x)=-4(x-4)
x = -1
9x+6=6x-9
x = -5
7(x+2)=2(x+2)
x = -2
2/11m + 16 = 4 +6/11m
33
3(a-6)=-5a-7-3a
a = 1