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elizabethhubbe
10.12.2020 •
Mathematics
80=4x+4(-4x-16)
Solve for X
Solved
Show answers
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Ответ:
x=-12
Step-by-step explanation:
Step 1: Simplify both sides of the equation.
80=4x+4(−4x−16)
80=4x+(4)(−4x)+(4)(−16)(Distribute)
80=4x+−16x+−64
80=(4x+−16x)+(−64)(Combine Like Terms)
80=−12x+−64
80=−12x−64
Step 2: Flip the equation.
−12x−64=80
Step 3: Add 64 to both sides.
−12x−64+64=80+64
−12x=144
Step 4: Divide both sides by -12.
-12x/-12=144/-12
x=-12
Ответ:
answer: 5
step-by-step explanation: