60.935 : 7= 8. 705
Надеюсь, что помогла :))
1)<span> 8 </span><span>х</span><span> + 5 (6 – 7</span><span>х</span><span>) = – 7</span><span>х</span><span> + 10</span>
<span>8х+30-35х=-7х+10</span>
<span>-27х+7х=10-30</span>
<span>-20х=-20</span>
<span>х=1</span>
<span>2) <span>7· (2</span><span>а </span><span>– 4,2) – (4 + </span><span>а</span><span>)</span></span>
<span><span>14а-29,4-4-а=13а-33,4</span></span>
3) Найдите число, 12% которого равны 240.
240-12%
x- 100%
<u>240*100</u>= 2000
12