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Virty [35]
3 years ago
9

Solve for x. 13x + 7 = 5x - 20

Mathematics
2 answers:
myrzilka [38]3 years ago
7 0
The answer is -27/8= -3.375
den301095 [7]3 years ago
5 0
<span>Answer is x= −<span>​27/8 <span>​​</span>
</span></span>Simplify <span>13x+7-5x<span>13x+7−5x</span></span><span> to </span><span>8x+7<span>8x+<span>7
</span></span></span><span><span>8x+7=−20</span>Then Subtract </span>7<span> from both sides
Which would then be </span>8x=−20−7

<span><span>
</span></span>
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What is the distance between M(9, −5) and N(−11, 10)?
lesya692 [45]

Answer:

\boxed{ \bold{ \huge{ \boxed{ \sf{25 \: units}}}}}

Step-by-step explanation:

Let M ( 9 , -5 ) be ( x₁ , y₁ ) and N ( - 11 , 10 ) be ( x₂ , y₂ )

<u>Finding</u><u> </u><u>the </u><u>distance </u><u>between</u><u> </u><u>these</u><u> </u><u>points</u>

\boxed{ \sf{distance =  \sqrt{ {(x2 - x1)}^{2} +  {(y2 - y1)}^{2}  } }}

\longrightarrow{ \sf{ \sqrt{ {( - 11 - 9)}^{2}  +  {(10 - ( - 5))}^{2} } }}

\longrightarrow{ \sf{ \sqrt{ {( - 20)}^{2} +  {(10 + 5)}^{2}  } }}

\longrightarrow{ \sf{ \sqrt{ {( - 20)}^{2}  +  {(15)}^{2} } }}

\longrightarrow{ \sf{ \sqrt{400 + 225}}}

\longrightarrow{ \sf{ \sqrt{625}}}

\longrightarrow{ \sf{ \sqrt{ {(25)}^{2} } }}

\longrightarrow{ \sf{25 \: units}}

Hope I helped!

Best regards! :D

7 0
3 years ago
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