<span>1) 5*(x-7)=3*(x-4)-27</span>
<span>5х-35=3х-12-27</span>
<span>5х-3х=-39+35</span>
<span>2х=-4</span>
<span>х=-2</span>
<span>
</span>
<span><span>2) 3x+2*(2x-3)=8-7*(x-2)</span></span>
<span><span>3х+4х-6=8-7х+14</span></span>
<span><span>7х+7х=22+6</span></span>
<span><span>14х=28</span></span>
<span><span>х=2</span></span>
Решение уравнения на фото способом сложения