Question

5a-1=14
5x-9=3(x-2)
4x-8=-4(2x-3)+4

Answer 1

Respuesta:

5a-1=14

5a=14+1

5a=15

a=15/5

a=3

5x-9=3(x-2)

5x-9=3x-6

5x-3x=-6+9

2x=3

x=3/2

x=1,5

4x-8=-4(2x-3)+4

4x-8=-8x+4

4x+8x=4+8

12x=12

x=12/12

x=1