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Activities - progressions problems (view source)
Revision as of 15:53, 12 August 2014
, 15:53, 12 August 2014→Algorithm
Line 141:
Line 141:
4b = 4<br>
4b = 4<br>
b = 1<br>
b = 1<br>
−Consider equation 2,
+Consider equation 2<br>
−a + b = 10b
+a + b = 10b<br>
−Put b = 1
+Put b = 1<br>
−a + (1) = 10 (1)
+a + (1) = 10 (1)<br>
−a + 1 = 10
+a + 1 = 10<br>
−a = 10-1
+a = 10-1<br>
a = 9
a = 9