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23-08-2018
Mathematics

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9x + - 7x - 5 = -20

Find the value of x

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BrainlyPhilippines BrainlyPhilippines

23-08-2018

9x−7x−5=−20
Step 1: Simplify both sides of the equation.
9x−7x−5=−20
9x+−7x+−5=−20
(9x+−7x)+(−5)=−20(Combine Like Terms)
2x+−5=−20
2x−5=−20
Step 2: Add 5 to both sides.
2x−5+5=−20+5
2x=−15
Step 3: Divide both sides by 2.
2x/2=−15/2
x=−15/2

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