7x+41x=19248x=192x=4
40x-4x=54036x=540x=15
(9x+7x)6=228(94+74)6=228(36+28)6=228646=228384=228
There seems to be an error in the calculation for the last equation.
7x+41x=192
48x=192
x=4
40x-4x=540
36x=540
x=15
(9x+7x)6=228
(94+74)6=228
(36+28)6=228
646=228
384=228
There seems to be an error in the calculation for the last equation.