Question

Find the unknown factor. 28=7 x (4 x

Answer 1

Answer:

The missing factor is 1.

$28=7\times(4\times1)$

Step-by-step explanation:

$28=7\times(4\times y)$, where y is the unknown factor.

You can solve this equation for y.

Divide both sides by 7:

$\rightarrow 28\div7=(7\times(4\times y))\div7\\\rightarrow4=4\times y$

Divide both sides by 4:

$\rightarrow4\div4=(4\times y)\div4\\\rightarrow1=y\\\rightarrow y=1$

The missing factor is 1.

$28=7\times(4\times1)$

You can also tell just by looking on this particular problem. $7\times4=28$, so the missing factor can't be anything other than 1.

Answer 2

Answer:

x = 1

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