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astraxan [27]
3 years ago
13

2(x - 2.6) + 2.91 = 7.71

Mathematics
1 answer:
Gennadij [26K]3 years ago
3 0

I'll show a step-by-step. I'm not in the mood to explain right now lol.

2(x-2.6)+2.91=7.71

2x-5.2+2.91=7.71

   +5.20          +5.20

2x+2.91=12.91

    -2.91  -2.91

2x=10

/2   /2

x=5

---

hope it helps

sorry if it doesn't

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Step-by-step explanation:

<u>Step 1: Define Equation</u>

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

  1. Subtract 7 on both sides:                    6n = 48
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<u>Step 3: Check</u>

<em>Plug in n into the original equation to verify it's a solution.</em>

  1. Substitute in <em>n</em>:                    6(8) + 7 = 55
  2. Multiply:                               48 + 7 = 55
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Here we see that 55 does indeed equal 55.

∴ n = 8 is a solution of the equation.

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