Question

b) 7x - 4 = 5x + 6

c) 10 = 2
d) - 10 = - 8+ 7y
e) 5x+8 = 24
f) 4x-8=20​

Answer 1

b) 7x-5x=6+4
2x=10
x=10:2
x=5

c) n entendi

d)-7y= -8+10
-7y=2
(-1).-7y=2.(-1)
7y= -2
y= -2/7

e)5x=24-8
5x= 16
x= 16/5

f)4x= 20+8
4x= 28
x= 28:4
x= 7