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

7th Grade Math Shouldnt Be This Hard class=

Sagot :

renknee

Answer:

x = 12

Step-by-step explanation:

Step 1: Add 9 to both sides.

  • [tex]7x - 9 + 9 = 75 + 9[/tex]
  • [tex]7x = 84[/tex]

Step 2: Divide both sides by 7.

  • [tex]\frac{7x}{7} = \frac{84}{7}[/tex]
  • [tex]x = 12[/tex]

Step 3: Check if solution is correct.

  • [tex]7(12) - 9 = 75[/tex]
  • [tex]84 - 9 = 75[/tex]
  • [tex]75 = 75[/tex]

Therefore, x = 12.

arrowfighter333

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.

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