okay i know i already asked but i need help for 2 more questons

Question

+1

610

2

+26

queston 1: 28=-9x-8+5x

queston 2: -18=7u+9-10u

abbers Feb 5, 2019

+6248

+3

Best Answer

\(28 = -9x - 8 + 5x \\ 28 = -4x-8\\ 36=-4x\\ -9 = x\)

\(-18=7u+9-10u\\ -18 = -3u+9\\ -27=-3u\\ 9=u\)

Rom Feb 5, 2019

+26

+1

thank you so so so much

thank you

abbers Feb 5, 2019

Rom · Answer 1 · 2019-02-05T08:38:50

\(28 = -9x - 8 + 5x \\ 28 = -4x-8\\ 36=-4x\\ -9 = x\)

\(-18=7u+9-10u\\ -18 = -3u+9\\ -27=-3u\\ 9=u\)

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