Question

b) 2x - 5 = 25
c) 4x + 11 = 51
d) 7x + 4 = 6x + 12
e) 9x + 7.6 = 3x - 18
f) 133* = 1330
g) 2(x-5)=144
h) 15(18-x)=186 URGENT VAROG DAU COROANA

Answer 1

Răspuns:

2x=25+5

2x=30

X=30:2

X=15

Answer 2

Răspuns:

b)2x=25+5

2x=30

x=30÷3

x=3

c)4x=51-11

4x=40

x=40÷4

x=10

d)7x-6x=12-4

(1x dar 1 nu se scrie)x=8

e)9x+3x=18-7.6

11x=10.4

f)da aici nustiu cum:)

g)x-5=144÷2

x-5=72

x=72+5

x=77

h)18-x=186÷15

18-x=12.46

x=12.46+18

x=30.46

sper ca te-am ajutat