Решение методом подстановки. <span><span>{<span><span>−16x+3y=−45</span><span>14x+46y=88</span></span></span>⇒</span><span><span>{<span><span>y=<span>163</span>x−15</span><span>14x+46y=88</span></span></span>⇒</span><span><span>{<span><span>y=<span>163</span>x−15</span><span>14x+46<span>(<span><span>163</span>x−15</span>)</span>=88</span></span></span>⇒</span><span><span>{<span><span>y=<span>163</span>x−15</span><span><span>7783</span>x−778=0</span></span></span>⇒</span><span><span>{<span><span>y=<span>163</span>x−15</span><span>x=3</span></span></span>⇒</span><span>{<span><span>y=1</span><span>x=3</span></span></span>
Ответ: <span>(<span>3;1</span><span>)</span></span>
тут нет х и основание 1/2?
<span>log1/2 (3)+log1/2 (6)<-2</span>
log1/2(3*6)<log1/2(1/2)^-2
log1/2 (18)<log1/2 (4) т.к 1/2 <1 функция (1/2)^x убывает знак неравенства меняется
18>4 истинно
В первом а не должно быть равно 4