Question

the sum of two angles is 45 degree and their differences is 30 degree find the angle in degree​

Answer 1

Explicação passo-a-passo:

x+y=45

x-y=30

This os a system of equation, I Will apply the mixed method:

x+y=45

x-y=30

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x+x+0=45+30

2x=75

x=75/2°

X=37,5°

x+y=45°

y=45-37,5

y=7,5°