3 years ago

One angle is five less than three times the measure of another angle together they have a sum of 143

English

1 answer:

Fed [463]3 years ago

7 0

x(angle1)+(3x-5)(angle 2)=143(sum of both angles).

x+3x-5=143

combine like terms: 4x-5=143

add 5 to both sides: 4x=148

divide both sides by 4: x=37

substitute for x: angle 1=37, angle 2= 106

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