Question

1,2-(x×0,25)=0,5
решите плиз

Answer 1

1,2-0,25х=0,5 -0,25х=0,5-1,2 -0,25х=-0,7 Х=-0,7:(-0,25) Х=2,8

Answer 2

$1.2- (x \times 0.25) = 0.5 \\ 1.2 - (0.25x) = 0.5 \\ 1.2 - 0.25x = 0.5 \\ 1.2 - 0.25x - 1.2 = 0.5 - 1.2 \\ - 0.25x = 0.5 - 1.2 \\ - 0.25x = - 0.7 \div - 0.25 \\ x = 2.8$