Answer:
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Step-by-step explanation:
We will have to expand first then we simplify.
<u>Expand</u>
You will have to distribute the 2 over the x & 7 and the 3 over the x & 1 respectively.
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<u>Simplify</u>
You will have to add 2x & 3x together and 14 & 3 together.
<u>Answer</u>
2
C
y = 7
An equilateral triangle has all its sides to be equal..
so.
10 = x
10 = y + 3
y = 10 - 3