Question

5x-3x+7=3x-1%7B3%7D%7B4%7D%20r%20%2B%201%20-%203" id="TexFormula1" title="4r + \frac{2}{4} r + 14 = 5r - \frac{3}{4} r + 1 - 3" alt="4r + \frac{2}{4} r + 14 = 5r - \frac{3}{4} r + 1 - 3" align="absmiddle" class="latex-formula">

Answer 1

1). 5x-3x+7 = 3x-1

2x + 7 = 3x - 1

3x-2x=7+1

x=8

2)

$4r + \frac{2}{4} r + 14 = 5r - \frac{3}{4} r + 1 - 3\\ \\5r-4r-\frac{3}{4} r - \frac{2}{4} r = 14-1+3\\ \\r-\frac{5}{4}r =16\\ \\\frac{4}{4}r-\frac{5}{4}r =16\\ \\-\frac{1}{4}r=16\\ \\ r=-64$