Question

120 x 4 - 70 x S + 180 = 9+30 210​

Answer 1

Step-by-step explanation:

120×4-70×S+180=9+30×210

660-70×S=6309

-70×S=6309-660

-S = 5649÷70

-S = 80.7

S = - 80.7

Answer 2

Step-by-step explanation:

according to BODMAS

480-70s = 9+6300

-70s=6309+480

-s=6789/70

-s=96.98

s=-97 [approx]

HOPE IT HELPS U ......