Question

x+5x12+31x2=1042 3x273-42x5-x=56 49+2x=x+79 10x639-75x8+x=232x11

Answer 1

1)x+60+62=1042

x=1042-122

x=920

2)819-210-x=56

609-x=56

x=609-56=553

x=553

3)49+2x=x+79

79-49=30

2x=x+30

2x-x=30

x=30

4)6390-600+x=2552

5790+x=2552

x=5790-2552

x=3298