Question

b.[(x+ 15) X 10 - 100]:5 + 90 = 100​

Answer 1

Răspuns:

x=10

Explicație pas cu pas:

(10x+150-100):5 +90=100

(10x+50): 5 +90 = 100

(10x+50) :5=10

10x + 50=50

10x=0

x=10

Answer 2

X=0....................