Question

afla numărul

y:9+25-3=8-3+25
8•m+26=3•30
a•9-23=70:7•4

Answer 1

y:9+25-3=30
y:9+22=30
y:9=30-22
y:9=8
y=8×9
y=72


8×m+26=90
8×m=90-26
8×m=64
m=64:8
m=8



a×9-23=10×4
a×9-23=40
a×9=40+23
a×9=63
a=63:9
a=7