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jolli1 [7]
2 years ago
9

How many solutions does the following equation have?

Mathematics
2 answers:
DanielleElmas [232]2 years ago
8 0

Answer:

B. Exactly One Solution

Step-by-step explanation:

Given:

7(y+3)=5y+8

Expand the brackets:

\implies 7y + 21 = 5y + 8

Subtract 21 from both sides:

\implies 7y + 21-21 = 5y + 8-21

\implies 7y=5y-13

Subtract 5y from both sides:

\implies 7y-5y=5y-13-5y

\implies 2y=-13

Divide both sides by 2:

\implies \dfrac{2y}{2}=\dfrac{-13}{2}

\implies y=-\dfrac{13}{2}

Therefore, the equation has <u>exactly one solution.</u>

dedylja [7]2 years ago
3 0
B. Exactly one solution

7y +21 = 5y +8
7y +13=5y
13=-2y
-6.5=y
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