Question

a+b=56  a:b=3 rest 4    a?   b? va rog ajutati-ma

Answer 1

$a+b=56 \\\\ a:b=3 \ rest 4 \\\\ \boxed{a=3b+4} \\\\ 3b+4+b=56 \\\\ 4b=56-4 \\\\ 4b=52 \ |:4 \\\\ \boxed{\boxed{b=13}} \\\\ a=3*13+4 \\\\ a=39+4 \\\\ \boxed{\boxed{a=43}}$

Answer 2

a+b=56
a:b=3 r 4
a=3b+4
3b+4+b=56
4b+4=56
4b=52
b=52:4
b=13
a+13=56
a=56-13
a=43