Question

Rezolvati in multimea numerelor naturale ecuatiile : 
a) 2(x+3)+17=59
c) 8(x+3)+7=71
e) 6(3x+4)+15=201
g) 4(5x-12)-34=118

Answer 1

a) 2x + 6 = 42 => 2x= 36 <=> x = 18
c) 8x + 24= 64 <=> 8x= 40 <=> x=5
e)18x+24= 186  <=> 18x= 162 <=> x=9
g)20x- 48= 152 <=> 20x= 200 <=> x= 10