Please help!!! (-x/2)+(1/2x)=(-4/x)
1 answer:
Are you solving this for x? You can't because the left side is eliminated by subtracting (1/2)x from (1/2)x. That leaves nothing on the left. 
you can't solve that for x because when you multiply both sides by x, 0*x = 0 and
I think you made a mistake in your typing or something...unless the answer was no solution!
you can't solve that for x because when you multiply both sides by x, 0*x = 0 and
I think you made a mistake in your typing or something...unless the answer was no solution!
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5) So for parallelogram ABCD, ∠B ≅ ∠D, and ∠A ≅ ∠C. Further, ∠B and ∠A are supplementary (i.e., their sum is 180°), and ∠D and ∠C are also supplementary.
So, we have that m∠B = m∠D. Therefore,
Now, let's substitute for x back into the expression for either ∠B or ∠D to find it's angle measure.
m∠B =
Now, remember that ∠B or ∠D are supplements of ∠A.
So, m∠B + m∠A = 180°.
That means m∠A = 180° – 72° = 108°.
That seems reasonable, because A appears to be an obtuse angle.
So, we have that m∠B = m∠D. Therefore,
Now, let's substitute for x back into the expression for either ∠B or ∠D to find it's angle measure.
m∠B =
Now, remember that ∠B or ∠D are supplements of ∠A.
So, m∠B + m∠A = 180°.
That means m∠A = 180° – 72° = 108°.
That seems reasonable, because A appears to be an obtuse angle.