Question

stiind ca ecuatiile 5x=a-3 si 2x-7=1​

Answer 1

5 x = a - 3

2 x - 7 = 1

2 x = 1 + 7

2 x = 8

x = 8 : 2

x = 4

5 × 4 = a - 3

a - 3 = 20

a = 20 + 3

a = 23