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marissa [1.9K]
3 years ago
11

Solve: 5x-3=(x+7)+3x

Mathematics
2 answers:
Levart [38]3 years ago
6 0
<em>5x-3=(x+7)+3x</em>
<em>5x-3=x+7+3x</em>
<em>5x-x-3x=7+3</em>
<em>x=10</em>
HOPE I HELPED!!!
STatiana [176]3 years ago
5 0
5x-3=(x+7)+3x\\&#10;5x-3=x+7+3x\\&#10;5x-x-3x=7+3\\&#10;x=10
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Hey There!

Let's solve...

Here it is a rectangular floor with length =21 cm and width =15cm

So

area = l \times w \\  = 21 \times 15 \\  = 315 {ft}^{2} \\  \\

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So how this 9 ft^2 came??

Let's know

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