Question

Văăăăăăăăăăăă rogggggg mult ajutați-mă
Rezolvă următoarele ecuații
1)52x+167=43x+32
2)13x=3(2x-7)
3)24x+45=9x

Answer 1

a) 52x-43x=32-167
9x=32-167
9x= -135
x= -135 :9
x= -15

b)13x=3*2x-3*7
13x=6x-3*7
13x=6x-21
13x-6x= -21
7x= -21
x=-21 :7
x= -3

c)24x-9x = - 45
15x =-45
x=-45: 15
x= -3

Answer 2

1) 52x+167=43x+32
167-32=52x-43x
135=9x
x=139:9
x=15,(4)

2)13x=3(2x-7)
13x=3✖2x -3✖7
13x=6x-21
13x-6x=21
7x=21
x=21:7
x=3
(✖=imnultire )

3)24x+45=9x
24x-9x=45
15x=45
x= 45:15
x=3
Sper ca te-am ajutat !