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VARVARA [1.3K]
4 years ago
15

Please help me solve this equation but show the steps so I can learn how to solve it.

Mathematics
1 answer:
Eva8 [605]4 years ago
6 0
<span><span><span><span>0.25r</span>−0.125</span>+<span>0.5r</span></span>=<span>0.5+r</span></span>
<span><span><span><span>0.25r</span>−0.125</span>+<span>0.5r</span></span>=<span>0.5+r</span></span><span><span><span><span><span>0.25r</span>+</span>−0.125</span>+<span>0.5r</span></span>=<span>0.5+r</span></span><span><span><span>(<span><span>0.25r</span>+<span>0.5r</span></span>)</span>+<span>(<span>−0.125</span>)</span></span>=<span>r+0.5</span></span><span><span><span>0.75r</span>+<span>−0.125</span></span>=<span>r+0.5</span></span><span><span><span>0.75r</span>−0.125</span>=<span>r+0.5</span></span>
<span><span><span><span>0.75r</span>−0.125</span>−r</span>=<span><span>r+0.5</span>−r</span></span><span><span><span>−<span>0.25r</span></span>−0.125</span>=0.5</span>.<span><span><span><span>−<span>0.25r</span></span>−0.125</span>+0.125</span>=<span>0.5+0.125</span></span><span><span>−<span>0.25r</span></span>=0.625</span>
<span><span><span>−<span>0.25r</span></span><span>−0.25</span></span>=<span>0.625<span>−0.25</span></span></span><span>r=<span>−2.5</span></span>Answer:<span>r=<span>−<span>2.5</span></span></span>
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