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Mathematics 8 Online
OpenStudy (anonymous):

Help!

OpenStudy (anonymous):

jimthompson5910 (jim_thompson5910):

if you subtract the corresponding components on the left side, notice how 15 - 2 = 13 in the upper left corner for the matrices -------------- and how 8 - 5 = 3 in the upper right corner

OpenStudy (anonymous):

Ok.

jimthompson5910 (jim_thompson5910):

so in the lower left corner 4x - x = 12 and in the lower right corner 0 - (3y + 6) = 4y + 8

OpenStudy (anonymous):

OOOk. What do I do?

jimthompson5910 (jim_thompson5910):

4x - x = 12 3x = 12 x = ??

OpenStudy (anonymous):

oh I see umm.... 4?

OpenStudy (anonymous):

@jim_thompson5910

jimthompson5910 (jim_thompson5910):

good

OpenStudy (anonymous):

y = -2?

jimthompson5910 (jim_thompson5910):

0 - (3y + 6) = 4y + 8 -3y - 6 = 4y + 8 -3y - 4y = 8 + 6 -7y = 14 y = ??

jimthompson5910 (jim_thompson5910):

perfect

OpenStudy (anonymous):

can you help me with another question? @jim_thompson5910

jimthompson5910 (jim_thompson5910):

sure

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