rileyd23
rileyd23
12-09-2017
Mathematics
contestada
How do I solve this?
Respuesta :
dyllandavidhayow59t9
dyllandavidhayow59t9
12-09-2017
First, you must distribute the negative sign(otherwise considered a negative one). This gives you x - 4x + 7 = 5x - x - 21.
Then, simplify any like terms you can: -3x + 7 = 4x - 21.
Simplify this even further: 28 = 7x
The final answer is x = 4
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