ItsyBitsy
ItsyBitsy ItsyBitsy
  • 24-02-2017
  • Mathematics
contestada

Solve the following inequality: 38 < 4x + 3 + 7 – 3x.
A. x < 4-
B. x < 28-
C. x > 4
D. x > 28

Respuesta :

Setor9
Setor9 Setor9
  • 24-02-2017
38<4x+3+7-3x===>Combine like terms
38<x+10====>Subtract 10 from both sides
38-10<x+10-10
28<x
The answer is D.
Answer Link
ivystorm
ivystorm ivystorm
  • 24-02-2017
The answer would be D

Explanation and steps to solve:

1) Replace the < sign with an = sign
38 = 4x + 3 + 7 - 3x

2) Solve the algebra equation
38 = x + 3 + 7
38 = x + 10
28 = x


3) Put the < back in
28 < x



Answer Link

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