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bija089 [108]
3 years ago
8

Solve for x: -243 = -9(10 + x) I will reward Brainliest

Mathematics
2 answers:
Nimfa-mama [501]3 years ago
5 0

Answer:

x = 17

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

Step-by-step explanation:

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

-243 = -9(10 + x)

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

  1. Divide -9 on both sides:                    27 = 10 + x
  2. Isolate <em>x</em>:                                             17 = x
  3. Rewrite:                                              x = 17

<u>Step 3: Check</u>

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

  1. Substitute in <em>x</em>:                    -243 = -9(10 + 17)
  2. Add:                                     -243 = -9(27)
  3. Multiply:                               -243 = -243

Here we see that -243 does indeed equal -243.

∴ x = 17 is the solution to the equation.

mihalych1998 [28]3 years ago
5 0

Answer:

x = 17

Step-by-step explanation:

ur welcome

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