У-9×9=210; z+8×6=300; х+(237+165)=750

Question

У-9×9=210; z+8×6=300; х+(237+165)=750

Answer 1

У-81=210
у=210+81
у=291

z+48=300
z=300-48
z=252

x+402=750
x=750-402
x=348