250-(1/2×150)=350:n bagaimana penyelesaiannya?

250-(1/2×150)=350:n
250-75=350:n
175=350:n
n=350:175
n=2

250 – (1/2*150) = 350/n
250 – 75 = 350/n
175 = 350/n
175n = 350
n = 350/175
n = 2