Question

y:703+1987=7891
3x+2x-18=32

Answer 1

3х+2х=32+18

5х=50

х=10

Answer 2

y:703+1987=7891

у:703=7891-1987

у:703=5904

у=5904*703

у=4 150 512

==========

3x+2x-18=32

5х-18=32

5х=32+18

5х=50

х=50/5

х=10