Seudónimo
Seudónimo
09-02-2017
Mathematics
contestada
What is 2x + 5 = 15 - (-49) x 5
Respuesta :
christinann062
christinann062
09-02-2017
2x + 5 = 15 - (-49) x 5
combine like terms
2x + 5 = 320
subtract 5 from each side
2x = 315
divide by 2 on each side
x = 157.5
Answer Link
hopewelch97
hopewelch97
09-02-2017
So, you do -49 * 5 first because multiplication is before addition, which is -245.
15 - (-245) turns into addition, so the right side of the equation is 260.
Move the 5 over. 260-5 = 255
2x = 255, so x =255/2 or 127.5
Answer Link
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