3a+5b=26;a+5b=22 how to solve those question by elimination method
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3a+5b=26
a+5b=22......solve them by 1st changing the signs of eq2
u get ..2a=4
a=2
a+5b=22......solve them by 1st changing the signs of eq2
u get ..2a=4
a=2
Answered by
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3a+5b=26
a+5b=22
1(3a+5b=26) = 3a+5b=26
3( a+5b=22) = 3a+15b=66
- - -
-10b = -40
b = - 40 + 10
b = 30
a+5b=22
1(3a+5b=26) = 3a+5b=26
3( a+5b=22) = 3a+15b=66
- - -
-10b = -40
b = - 40 + 10
b = 30
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