Question

qual o valor de x sabendo que...​

Answer 1

Resposta:

4x +10= 45 - 3x

4x+3x =45-10

7x =35

x= 35/7

x=5

4x+10 = 4(5)+10= 20+10= 30

45-3x =45 - 3(5)= 45 - 15 =30