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What is the anwser to this equation? 36=15+7x

2 Answers

3 votes

Answer:

x = 3

Explanation:

  1. Subtract 15 from each side, so it now looks like this: 21 = 7x
  2. Divide each side by 7 to cancel out the 7 next to x. It should now look like this: 3 = x

I hope this helps!

User Praneel
by
8.3k points
3 votes

Answer:


\huge{ \fbox{ \text{x = 3}}}

Explanation:


\star{ \sf{ \: 36 = 15 + 7x}}


\text{Step \: 1 \: : Swap \: the \: side \: of \: the \: equation}


\longmapsto{ \sf{15 + 7x = 36}}


\text{Step \: 2 \: : Move \: 15 \: to \: right \: hand \: side \: and \: change \: it's \: sign}


\longmapsto{ \sf{7x = 36 - 15}}


\text{Step \: 3 \: : Subtract \: 15 \: from \: 36}


\longmapsto{ \sf{7x = 21}}


\text{Step \: 4 \: : Divide \: both \: sides \: by \: 7}


\longmapsto{ \sf{ (7x)/(7) = (21)/(7) }}


\text{Step \: 5 \: : Calculate}


\longmapsto{ \sf{x = 3}}

The value of x is 3

Hope I helped!

Best regards! :D

~
\text{TheAnimeGirl}

User Quant Metropolis
by
8.3k points

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