Question

only 6 parts pls tell the answers​

Answer 1

Answer:

1) x=-2

3)y=5

5)y=3

7)z=100

9)q=-2

11)x=14

Step-by-step explanation:

1) 2x+4=0

2x=-4

x=-4/2=-2

3) 5y-25=0

5y=25

y=25/5=5

5)42y-126=0

42y=126

y=126/42=3

7)z-100=0

z=100

9)3q-7=12q+11

-7-11=12q-3q

9q=-18

q=-18/9=-2

11)1/2x+3=x-4

+3+4=x-1/2x

7=1/2x

1/2x=7

x=7/ 1/2

x=7*2

x=14

HOPE IT HELPS YOU