r+5r+5=-25
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5r = 25 is a linear equation in one variable, r. The solution is r = 5.
5r + 8 = -12Subtract 8 from each side:5r = -20Divide each side by 5:r = -4
-7p + 5r - 6p + 3r = -7p - 6p + 5r + 3r = -(7 + 6)p + (5 + 3)r = -13p + 8r
58
r(r + 5)