solve this equation steb by step
5(4-3c)-3(c+2)
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5(4-3c)-3(c+2)=0
20-15c -3c-6=0
-15c-3c+20-6=0
-18c+14=0. --------->eq 1
-18c=-14
C= 14/18
C=7/9 ----------------> c value
-18c+14=0 -----------> in eq 1 applied by c value
-18(7/9)+14=0
-2(7)+14=0
-14+14=0
0=0
hence its proved
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