9 (x-7)+6x 5(x+8)-11

Question

9 (x-7)+6x 5(x+8)-11

Answer 1

1) 9х-63+6х 9х+6х=63 15х=63 Х=4,2

Answer 2

9*х-9*7+6х    5*х+5*8-11

Comments

упростить

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9х-63+6х 5х+40-11

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спс