Respuesta :

Answer:

[tex] \huge \boxed{ \boxed{ \sf \: y = x + 15}}[/tex]

Step-by-step explanation:

to understand this

you need to know:

  • linear equation
  • linear equation word problems
  • PEMDAS

tips and formulas:

  • linear equation:y=mx+b

let's solve:

all we need to care about the middle condition which is

the new test score is 15 points more than the original score

given that

original score is x

New score is y

if you pay attention to the given condition

we can find it same as linear equation

therefore

according to the question

the equation is

y=x+15

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