Question

resolva está equação 7(x+3)-3(+5-x)=10

Answer 1

$7(x+3)-3(+5-x)=10 \\7x+21-15+3x=10 \\10x=10-6 \\10x=4 \\x= \frac{4}{10} \\x= \frac{2}{5}$