Solve 7d + d - 4d - 7 - 5d
2 answers:
1, Simplify <span>7d+d-4d-7<span>7d+d−4d−7</span></span> to <span>4d-7<span>4d−7</span></span>
<span>
4d-7=5d<span>4d−7=5d</span></span>
2.Subtract <span>4d<span>4d</span></span> from both sides
<span>-7=5d-4d<span>−7=5d−4d</span></span>
3. Simplify <span>5d-4d<span>5d−4d</span></span> to <span>dd</span>
<span>-7=d<span>−7=d</span></span>
4. Switch sides
<span><span>d=-7<span>d=−7</span></span><span>
5. so your answer would be -7</span></span>
-1d-7 is the answer I'm pretty sure
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