4 years ago

I need help with this

Mathematics

2 answers:

marysya [2.9K]4 years ago

8 0

The two angles form a a straight line which is equal to 180 degrees:

Make an equation:

57 + (x +23) = 180

Simplify:

x + 80 = 180

Subtract 80 from both sides:

x = 100

melisa1 [442]4 years ago

5 0

Answer:

x= 100

Step-by-step explanation:

the line would equal 180 in total so first subtract 57 then subtract 23 and you have x

180 - 57 = 123

123 - 23 = 100

x = 100

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