We bring ecuation to the same denominator
16y -18=7y
16y-7y=18
9y=18
y=18/9=2
Answer:
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Step-by-step explanation:
Answer:
(-4,-2)
Step-by-step explanation:
first u should chose a variable to eliminate and i choose Y
y=5/2x+8-y=-1/4x-3
get a common denominator
5/2= 10/4
-1/4=-1/4
the equation i will change a little because we are subtracting
10/4x+8+1/4x+3
11/4x+11
solve for the remaining variable which is X
subtract 11 on both sides
0-11=11/4x+11-11
-11=11/4x
multiply both sides by 4/11
-11 times 4/11= 11/4x times 4/11
x=-4
then substitute the variable in one of the equations and i choose y=5/2x+8
5/2(-4)+8= y
-20/2+8= y
-10+8=y
y=-2
Answer: Yes, they are proportional
Step-by-step explanation:
Each side was multiplied by 2
Answer:
a
Step-by-step explanation:
