Question

Find four solutions (a) 5x -2 = 0 ( b) x + y = 1(c) 3x + y =7​

Answer 1

Answer:

a)5x=0+2

x=2/5

b)x=1-y

c)3x=7-y

Answer 2

Answer:

a)5x-2=0

5x=2

x=2/5

x=0.4

Step-by-step explanation:

b)x+y=1

x=1-y in c

3(1-y)+y=7

3-3y+y=7

-2y=4

y=-2

find x value

3x-2=7

3x=9

x=3

(3,-2)