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Mathematics 9 Online
OpenStudy (anonymous):

Simplify the following expression. a + 2c - 5b - c + a - b

OpenStudy (anonymous):

no

OpenStudy (anonymous):

jk :) add up each of the letters: 2a - 6b + c

OpenStudy (anonymous):

Do you understand how to do that?

OpenStudy (anonymous):

ya thanks bro and this one idk it ? Evaluate the following expression using the values given. Find 3x - y - 3z if x = -2, y = 1, and z = -2

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