Question

ax=43 si ay=10 calculați a(x+y) si a(x-y)

Answer 1

$a(x+y)=ax+ay=43+10=53$

$a(x-y)=ax-ay=43-10=33$

Answer 2

a(x+y)= ax+ay=43+10=53
a(x-y)=ax-ay=43-10=33