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Mathematics 7 Online
OpenStudy (anonymous):

simplify 2a+b+4c-a+3b+5c

OpenStudy (yamyam70):

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OpenStudy (anonymous):

arrange them in order first: 2a-a+b+3b+4c+5c And just do solve the equation: a+4b+9c Voila! :D

OpenStudy (anonymous):

Remember that you can only add/ subtract numbers with the same unknowns. Like 2a-a, b+3b, 4c+5c.

OpenStudy (anonymous):

2a-a+3b+b+5c+4c =a+4b+9c

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