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12345 [234]
3 years ago
5

How do you solve 2+x=-7

Mathematics
2 answers:
Mars2501 [29]3 years ago
7 0

Answer:

x = -9

Step-by-step explanation:

Step 1: Write equation

2 + x = -7

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

  1. Subtract 2 on both sides: x = -9

Step 3: Check

<em>Plug in x to verify it's a solution.</em>

  1. Substitute: 2 - 9 = -7
  2. Subtract: -7 = -7
Orlov [11]3 years ago
3 0
In order to solve this linear equation, we need to group all the variable terms on one side, and all the constant terms on the other side of the equation. In our example,
- term 2, will be moved to the right side.
Notice that a term changes sign when it 'moves' from one side of the equation to the other.
Therefore, the answer is x=-9
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