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kushashwa23
Group Title
2x+3=4x9y
2x+8y=34x
can i solve this question with substitution method
 3 years ago
 3 years ago
kushashwa23 Group Title
2x+3=4x9y 2x+8y=34x can i solve this question with substitution method
 3 years ago
 3 years ago

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kushashwa23 Group TitleBest ResponseYou've already chosen the best response.1
2x+4x=9y3 2x+4x=8y+3   = +  0 = y6 6=y y=6 m i going right
 3 years ago

alexray19 Group TitleBest ResponseYou've already chosen the best response.0
That's not the substitution method; that's subtraction. Because you solved them both to equal 2x+4x, you could substitute them by taking the righthand sides of both of the equations and setting them equal to each other:\[9y3=8y+3\]Then solve for y:\[9y=8y6\]\[y=6\]
 3 years ago

AdequateDisclosure Group TitleBest ResponseYou've already chosen the best response.1
dw:1316128480617:dw
 3 years ago

kushashwa23 Group TitleBest ResponseYou've already chosen the best response.1
thanks every one
 3 years ago
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