4a+3b=2100 and 5a+2b=1750 then what is the b value..?
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4a+3b=2100
5a+2b=1750
__________
8a+6b=4200
15a+6b=5250
___________
-7a=-1050
a=1050÷7
a=150
4a+3b=2100
3b=2100-600
3b=1500
b=500
5a+2b=1750
__________
8a+6b=4200
15a+6b=5250
___________
-7a=-1050
a=1050÷7
a=150
4a+3b=2100
3b=2100-600
3b=1500
b=500
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