3 years ago

5x - 7 is a/an expression, inequality or equation?

Mathematics

1 answer:

Paul [167]3 years ago

7 0

I can help you if you want

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The triangles below are similar. Find x showing the proportion and all work.

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we are given that

two triangles are similar

so, the ratio of their sides must be same

we get

$\frac{2}{6} =\frac{x}{x+2}$

now, we can solve for x

step-1: Cross multiply both sides

$2(x+2) =6x$

step-2: Simplify left side

$2x +4 =6x$

step-3: Subtract both sides by 2x

$2x +4-2x =6x-2x$

$4 =4x$

step-4: Divide both sides by 4

$x=1$

so,

$x=1$ ............Answer

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