Answer:
k=-8
Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.
Answer:
Raise the power
Step-by-step explanation:
Answer:
Step-by-step explanation:
5w+10=40
5w=40-10
5w=30
w=30/5
w=6
Answer: A) 6
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10k+5=65
10k=65-5
10k=60
k=60/10
k=6
Answer: k=6
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2b-15=33
2b=33+15
2b=48
b=48/2
b=24
Answer: b=24
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3d+18=21
3d=21-18
3d=3
d=3/3
d=1
Answer: d=1
Step-by-step explanation:
The slopes of perpindicular lines must be negative reciprocals of each other -- while -4 and 4 are negative to each other, the negative recipricocal for -4 is 1/4 and -1/4 for 4.
The slopes of parallel lines must be the same, so these are not parallel.