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sergij07 [2.7K]
2 years ago
8

What are the steps to solve for x? x+ax=b

Mathematics
1 answer:
melisa1 [442]2 years ago
6 0

Answer:

\displaystyle x = \frac{b}{1 + a}

General Formulas and Concepts:

<u>Algebra I</u>

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality

Terms/Coefficients

  • Factoring

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify.</em>

<em />\displaystyle x + ax = b

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

  1. Factor:                                                                                                           \displaystyle x(1 + a) = b
  2. [Division Property of Equality] Divide 1 + a on both sides:                        \displaystyle x = \frac{b}{1 + a}
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How did the temperature change if: at first it decreased by 60% and then increased by 80%. PLEASE NEED HELP!
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The temperature decreased by 28%

Step-by-step explanation:

How did the temperature change if :

  • At first it decreased by 60%
  • Then increased by 80%

Assume that the temperature before decreasing is 100%

∵ The temperature before decreasing = 100%

∵ It decreased by 60%

→  Before decreasing  :  decreasing  :    after decreasing

→  100%                         :  60%              :    100% - 60% = 40%

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Assume that the temperature after decreasing is 100%

∵ The temperature after decreasing = 100%

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By using the ratio method

→  After decreasing  :  increasing  :    after increasing

→  100%                      :  80%             :   100% + 80% = 180%

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