Question

What is the value of -

3x + 2(y - 1)
when x = 4 and y = 3?
x + y²
Show your work.

Answer 1

first question ans is 16 and second is 13

Explanation:

Given

x=4 and y=3

3x+2(y-1)

3×4+2(3-1)

3×4+2×2

12+4

16Ans

Second question is

x+y×y

4+3×3

4+9

13 Ans

Answer 2

-8

Explanation:

substitute

x=4

into -3x+2(y-1):

x=3

-3x4+2x(3-1)

-12+2x(3-1)

-12+2x2

-12+4

= -8