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swat32
4 years ago
14

14-12x+39x-18x=256-60x-657x​

Mathematics
1 answer:
emmasim [6.3K]4 years ago
4 0

Answer:

\boxed{\bold{x=\frac{1}{3}}}

Step-by-step explanation:

Combine Similar Elements: \bold{-12x+39x-18x=9x}

\bold{14+9x=256-60x-657x}

Combine Similar Elements: \bold{-60x-657x=-717x}

\bold{14+9x=256-717x}

Subtract 14 From Both Sides

\bold{14+9x-14=256-717x-14}

Simplify

\bold{9x=-717x+242}

Add \bold{717x} To Both Sides

\bold{9x+717x=-717x+242+717x}

Simplify

\bold{726x=242}

Divide Both Sides By \bold{726}

\bold{\frac{726x}{726}=\frac{242}{726}}

Simplify

\bold{x=\frac{1}{3}}

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Answer:

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Order of Operations: BPEMDAS

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Step-by-step explanation:

<u>Step 1: Define</u>

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<u>Step 2: Solve</u>

  1. Substitute in functions:                                                                                     (f + g)(x) = (1 - x) + (x² + 2x - 5)
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  3. Combine like terms:                                                                                         (f + g)(x) = x² + x - 4
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