Solve the System by Substitution by X = 2y - 3 4x - 5y = -3 X= Y=
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Answer:
Step-by-step explanation:
-5+2(10b-2)=31
Expand brackets.
-5+20b-4=31
-9+20b=31
Add 9 on both sides.
20b=40
Divide both sides by 20
b=2
C=2
r
A=r<span>²
C=2</span>r=58
2r=58
r=29
A=r<span>²
A=29</span><span>²</span>
A=841
A=
C=2</span>
2r=58
r=29
A=
A=29</span><span>²</span>
A=841