Kool0aids
Kool0aids
14-09-2017
Mathematics
contestada
2.8y + 6 + 0.2y = 5y -15
Respuesta :
DeathTheKid101
DeathTheKid101
14-09-2017
simplify 2.8y + 6 + 0.2y to 3y + 6
subtract 3y from both sides
simplify 5y - 15 - 3y to 2y - 15
add 15 to both sides
simplify 6 + 15 to 21
divide both sides by 2
switch sides
Answer: y = 21/2
*in decimal form this would be 10.5
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