x – 7 = 7(y – 7) x + 3 = 3(y + 3) Solve the Above In Substurion Method !!! ......
Answers
Answered by
1
Answer:
Let's solve for x.
x−7=7(y−7)x+3
Step 1: Add -7xy to both sides.
x−7+−7xy=7xy−49x+3+−7xy
−7xy+x−7=−49x+3
Step 2: Add 49x to both sides.
−7xy+x−7+49x=−49x+3+49x
−7xy+50x−7=3
Step 3: Add 7 to both sides.
−7xy+50x−7+7=3+7
−7xy+50x=10
Step 4: Factor out variable x.
x(−7y+50)=10
Step 5: Divide both sides by -7y+50.
x(−7y+50)
−7y+50
=
10
−7y+50
x=
10
−7y+50
Answer:
x=
10
−7y+50
Let's solve for y.
x−7=7(y−7)x+3
Step 1: Flip the equation.
7xy−49x+3=x−7
Step 2: Add -3 to both sides.
7xy−49x+3+−3=x−7+−3
7xy−49x=x−10
Step 3: Add 49x to both sides.
7xy−49x+49x=x−10+49x
7xy=50x−10
Step 4: Divide both sides by 7x.
7xy
7x
=
50x−10
7x
y=
50x−10
7x
Answer:
y=
50x−10
7x
Hope it helps you
Answered by
0
Answer:
x=42 y=12
Step-by-step explanation:
take a look at the attached picture.
Attachments:
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