Find the value of k so that the solution set for the following equation is -7.
2 answers:
Answer: k=11x/4 - 17/3
Step-by-step explanation: Convert the variable by dividing each side by factors that don't contain the variable.
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Answer:
k = -299/12 = - 24 11/12
Step-by-step explanation:
3x - 4 - 5(x-2) = 3/4x + 1/3 - k
x = - 7
3*(-7) - 4 - 5(-7 -2) = 3/4*(-7) + 1/3 - k
-21 -4 -5*(-9) = - 21/4 + 1/3 - k
-25 + 45 = - 21/4 + 1/3 - k
20 = (- 21*3)/(4*3) + 4/(3*4) - k
20 = - 63/12 + 4/12 - k
20 = - 59/12 - k
k = - 59/12 - 20
k = -299/12 = - 24 11/12
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P + r = 2.50
r = p + 1
p + p + 1 = 2.50
2p + 1 = 2.50
2p = 2.50 - 1
2p = 1.50
p = 1.50/2
p = 0.75 <=== pencil cost 75 cents
r = p + 1
r = 0.75 + 1
r = 1.75 .....ruler cost 1.75
Answer:
A: Diane earns 200 + (10×20)= 400
B: Darryl earns (400-250)/20= $7.50 per hour
Answer:
Step-by-step explanation:
lets have one side =a
P=3a+a+(17+a)=52
P=5a+17=52
5a=52-17
5a=35
a=7
second side=21
third side=24
Answer: 6/50
Step-by-step explanation:
