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Find the value of x (really need help with this)

Find the value of x (really need help with this)
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Find the value of x (really need help with this)

Find the value of x (really need help with this)-example-1
asked
User SenorAmor
by
8.0k points

1 Answer

1 vote

Answer:

x=-7

Explanation:

The sum of the angles of a triangle are 180 degrees

40 + x+57 + 90 =180

Combine like terms

187 +x = 180

Subtract 187 from each side

187-187 +x = 180-187

x = -7

answered
User Lars Malmsteen
by
8.1k points
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