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Leni [432]
3 years ago
8

Solve the equation 7x - 4 =4x -1

Mathematics
2 answers:
algol133 years ago
7 0

Answer:

x= 1

Step-by-step explanation:

7x-4x= -1+4

3x = 3

x= 1

Phantasy [73]3 years ago
5 0

Answer:

x = 1

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

Step-by-step explanation:

<u>Step 1: Define</u>

7x - 4 = 4x - 1

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Subtract 4x on both sides:                    3x - 4 = -1
  2. Add 4 to both sides:                              3x = 3
  3. Divide 3 on both sides:                          x = 1
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omeli [17]

Answer:

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Step-by-step explanation:

Given equation:

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Unknown:

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Solution:

The slope - intercept format of a line is given as;

      y = mx + c

where y and x are the coordinates

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           c is the y-intercept

y = \frac{5}{2} x + 3

 From the given equation; slope is \frac{5}{2}

       

A line perpendicular will have a slope that is negative and the inverse of this;

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Since y= 9 and x = -7;

  So;

            9 = \frac{-2}{5}  x (-7) + C

            9 = \frac{14}{5} + C

           C  = 9 - \frac{14}{5}   = \frac{31}{5}

Now,

       y  =  -\frac{2}{5}x +  \frac{31}{5}

mulitply through by 5;

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insens350 [35]

Answer:

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Step-by-step explanation:

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The attachment shows using a graphing calculator to do a quadratic regression on the given points. The graph can then be used to find the point of interest. There are algebraic ways to do this, too, but they are somewhat more complicated than the 5 addition/subtraction operations we needed to find the solution. (Had the required x-value been different, we might have chosen a different approach.)

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Step-by-step explanation:

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Answer:

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