Question Number 18625 by orellana last updated on 25/Jul/17
$$\mathrm{x}−\mathrm{5}×+\mathrm{3}=\mathrm{7} \\ $$
Commented by tawa tawa last updated on 26/Jul/17
$$\mathrm{x}\:−\:\mathrm{15}\:=\:\mathrm{7} \\ $$$$\mathrm{x}\:=\:\mathrm{7}\:+\:\mathrm{15} \\ $$$$\mathrm{x}\:=\:\mathrm{22} \\ $$
Answered by khamizan833@yahoo.com last updated on 26/Jul/17
$$−\mathrm{4}{x}\:=\:\mathrm{4} \\ $$$$−\mathrm{1} \\ $$