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stich3 [128]
3 years ago
7

Solve for

Mathematics
1 answer:
Xelga [282]3 years ago
6 0

Answer:

<h2>\huge \red { \boxed{ \blue{ \boxed{ \tt \: x <   - \frac{5}{2} }}}}</h2>

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>
  • inequality
  • equation
  • PEMDAS
<h3>given:</h3>
  • \text{4x + 6 < 2x + 1}
<h3>to find:</h3>
  • \text{x}
<h3>tips and formulas:</h3>

the direction of inequality does not change

when you

  • Add (or subtract) a number from both sides
  • Multiply (or divide) both sides by a positive number
  • Simplify a side

the direction of inequality does change

when you

  • Multiply (or divide) both sides by a negative number
  • Swapping left and right hand sides

let's solve:

step - 1  :  define

4x + 6 < 2x + 1

step - 2 : solve \: for \: x

  1. \tt{cancel  \: 6\:from  \: both \: sides} \\  \tt{4x + 6 - 6 < 2x + 1 - 6} \\  \tt 4x < 2x - 5
  2. \tt cancel \: 2x \: from \: both \: sides \\ \tt 4x - 2x< 2x - 2x - 5 \\  \tt 2x <  - 5
  3. \tt divide \: both \: sides \: by \: 2 \\   \tt\frac{2x}{2}  <  \frac{ -5 }{2} \\  \tt x <   - \frac{5}{2}
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