How do i solve this problem 4s -12 = -5s + 51

asked Jan 19, 2015 189k views

3 votes

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3 votes

4s-12=-5s+51
+12= +12
4s=-5s+63
+5s =+5s
9s=63
9/9=63/9
s=7

MohanRajNK answered Jan 21, 2015

8.4k points

3 votes

$4s-12=-5s+51\ \ \ \ /+12\\\\4s-12+12=-5s+51+12\\\\4s=-5s+63\ \ \ /+5s\\\\4s+5s=-5s+5s+63\\\\9s=63\ \ \ /:9\\\\9s:9=63:9\\\\s=7$

Krimo answered Jan 25, 2015