3 years ago

Need to find the value of x

2 answers:

6 0

3x2=x but no formula

Anna [14]3 years ago

5 0

$90^{\circ}+2x^{\circ}+3x^{\circ}=180^{\circ} \\\\ 90+2x+3x=180 \ |-90\\\\ 5x=90 \ |:5 \\\\ x=18$

Answer: $x=18$

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