X+8×3=300. x+540÷10=92. 7×x851-151. 90÷a=600÷100

Question

X+8×3=300. x+540÷10=92. 7×x851-151. 90÷a=600÷100

Comments

х+540÷10=92 х+54=92 х=92-54 х=38

Answer 1

1)x+8×3=300 х+24=300 х=300-24 х=276

Answer 2

Х+8*3=300
х+8=100
х=100-8
х=92

х+540/10=92
х+92=540/10
х+92=54
х=92-54
х=38

7*х=851-151
7*х=700
х=700/7
х=100

90/а=600/100
90/а=6
а=90/6
а=15