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PSYCHO15rus [73]
2 years ago
5

7th grade math, shouldn't be this hard.

Mathematics
2 answers:
jasenka [17]2 years ago
8 0

Answer:

x = 12

Step-by-step explanation:

This is a multi-step equation.

The first thing we can do is add 9 to both sides, eliminating the -9 from the left side of the equation. Now we have 7x = 84.

You can divide 84 over 7x to get a total of x =12.

Temka [501]2 years ago
4 0

Answer:

x = 12

Step-by-step explanation:

Step 1: Add 9 to both sides.

  • 7x - 9 + 9 = 75 + 9
  • 7x = 84

Step 2: Divide both sides by 7.

  • \frac{7x}{7} = \frac{84}{7}
  • x = 12

Step 3: Check if solution is correct.

  • 7(12) - 9 = 75
  • 84 - 9 = 75
  • 75 = 75

Therefore, x = 12.

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