Question

Rezolvati in Z barat ((ecuatiile)) :

a) 2x - 3 = -7
b) 3x + 2 = -10
c) 2(x - 3 ) = -6
d) 5x -7 = 3x + 1
e) 4(x + 3) = 3( x - 1)

Answer 1

a) 2x-3= -7 => 2x= -4 => x= -2
b) 3x+2= -10 => 3x= -12 => x= -4
c) 2(x-3) = -6 => 2x-6 = -6 => 2x= 0 => x=0
d) 5x-7 = 3x+1 => 2x = 8 => x=4
e) 4(x+3) = 3(x-1) => 4x+12=3x-3 => x= -15

Sper ca te-am ajutat!