Question

If the rule is y=2x+3 and the x is 21 what is y

Answer 1

45

Explanation:

To solve first, plug in 21 for x in the rule, y=2x+3. This makes the rule y=2(21)+3. Then simplify to find y.

Multiply 2 and 21, y=42+3. Next, add, y=45.

Answer 2

`\huge\text{Hey there!}`

`\large\text{If x = 21}`

`\large\text{y = 2(21) + 3}\\\large\text{2(21) = 42}\\\large\text{y = 21 + 3}\\\large\text{45 = 42 + 3}\\\large\text{= \bf{\underline{y = 45}}}\\\\\boxed{\boxed{\large\text{Answer: \bf{y = 45}}}}\huge\checkmark`

`\text{Good luck on your assignment and enjoy your day!}`

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`\frak{Amphitrite1040:)}`