Answer:
x=-5
Step-by-step explanation:
Combine like terms:
2x+4=-2x-16
4x=-20
Solve
x=-5
Subtract xx from 3x3x.
2x+4=5x−16−7x2x+4=5x-16-7x
Subtract 7x7x from 5x5x.
2x+4=−2x−162x+4=-2x-16
Move all terms containing xx to the left side of the equation.
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Add −2x-2x to both sides of the equation.
2x+4+2x=−162x+4+2x=-16
Add 2x2x and 2x2x.
4x+4=−164x+4=-16
Move all terms not containing xx to the right side of the equation.
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Subtract 44 from both sides of the equation.
4x=−16−44x=-16-4
Subtract 44 from −16-16.
4x=−204x=-20
Divide each term by 44 and simplify.
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Divide each term in 4x=−204x=-20 by 44.
4x4=−2044x4=-204
Cancel the common factor of 44.
Cancel the common factor of 44.
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Cancel the common factor.
4x4=−2044x4=-204
Divide xx by 11.
x=−204x=-204
Divide −20-20 by 44.
x=−5
