Proszę o pomoc zadanie w załącznkiu.
{2(A+B)+6+9+3=54{6A+9B=126{2A+2B=36 |*(-3){6A+9B=126{-6A-6B=-108{6A+9B=126---------------+3B=18 => B=62A+2*6=36 => 2A=24 => A=12
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{2(A+B)+6+9+3=54
{6A+9B=126
{2A+2B=36 |*(-3)
{6A+9B=126
{-6A-6B=-108
{6A+9B=126
---------------+
3B=18 => B=6
2A+2*6=36 => 2A=24 => A=12