Question

5(×-2)=4-(-2×+1) , 4(×+3)=1 , 3(×-3)=2×-4 qual e a conta por favor

Answer 1

a)5.(x-2) = 4-(-2x+1); 5x -10 = 4+2x-1; 5x - 10 = 3+2x; 5x -2x = 3+10; 3x = 13; x= 13/3; b) 4.(x+3) = 1; 4x +12 = 1; 4x = 1-12; 4x = -11; x= -11/4; c) 3.(x-3) = 2x -4; 3x -9 = 2x -4; 3x -2x = -4+9; x= 5