Question

For the equation y= x + 5, find the value of y when

(a)x= -2,
(b)x=0,
(c)x=2,
(d)x=4.

Answer 1

a) 3 b) 5 c) 7 d) 9

Explanation:

For this, you want to replace x in the equation y=x+5 with each of the values listed.

For the first one, -2, the equation becomes y=-2+5, which is solved to y=3.

For the second one, 0, the equation becomes y=0+5, which is solved to y=5.

For the third one, 2, the equation becomes y=2+5, which is solved to y=7.

For the last one, 4, the equation becomes y=4+5, which is solved to y=9.

**This content involves solving algebraic equations with a known variable, which you may wish to revise. I'm always happy to help!