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Write and solve an addition equation to find x.

Perimeter = 48 ft

Others= 20 & 12

Equation= 20+12+x=48

Write and solve an addition equation to find x. Perimeter = 48 ft Others= 20 &amp-example-1
User Adam Dyga
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1 Answer

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20 + 12 + x = 48 / -20
12 + X = 48 - 20 / -12
X = 48 - 20 - 12
X = 28 - 12
X = 16
User Ederag
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