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24-05-2019
Mathematics

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if line p is (2x+40)°and line q is (3x-85) what is the value of x

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Аноним Аноним

24-05-2019

2x+40=3x-85

2x-3x+40=3x-3x-85

-x+40=-85

-x+40-40=-85-40

-x=-125

Multiply by -1 to get positive x and for -125

(-1)(-x)=(-125)(-1)

x=125

Check answer by using substitution method

2(125)+40=3(125)-85

250+40=375-85

290=290

Answer is x=125

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