4 years ago

PLEASEE HELPP A 30 B 45 C 105 D 135

Mathematics

2 answers:

Nastasia [14]4 years ago

4 0

The answer is C diamond

nlexa [21]4 years ago

3 0

2y+x-2y+3x=180
x=45
2x-15=-2y+3x
y=30

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