Question Number 45907 by gunay last updated on 18/Oct/18
$$\mathrm{7}×\left(\mathrm{6}+\mathrm{x}\right)−\mathrm{10}=\mathrm{60}\:\:\:\:\:\mathrm{plz}\:\mathrm{help}\:\mathrm{me} \\ $$
Commented by peter frank last updated on 18/Oct/18
$$\mathrm{42}+\mathrm{7x}−\mathrm{10}=\mathrm{60} \\ $$$$\mathrm{7x}=\mathrm{30} \\ $$$$\mathrm{x}=\frac{\mathrm{30}}{\mathrm{7}\:\:} \\ $$
Commented by peter frank last updated on 18/Oct/18
$$ \\ $$$$\mathrm{6}+\mathrm{x}=\mathrm{10} \\ $$$$\mathrm{x}=-\mathrm{4} \\ $$
Commented by peter frank last updated on 18/Oct/18
$$\mathrm{x}=\frac{\mathrm{28}}{\mathrm{7}}\Rightarrow\mathrm{x}=\mathrm{4} \\ $$
Answered by tanmay.chaudhury50@gmail.com last updated on 18/Oct/18
$$\mathrm{42}+\mathrm{7}{x}=\mathrm{70} \\ $$$$\mathrm{7}{x}=\mathrm{70}−\mathrm{42} \\ $$$$\mathrm{7}{x}=\mathrm{28} \\ $$$${x}=\frac{\mathrm{28}}{\mathrm{7}}=\mathrm{4} \\ $$