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3 years ago

5x − 8( 1 + 7x ) = −8

Mathematics

1 answer:

xxTIMURxx [149]3 years ago

6 0

Answer:

x = 0

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS
Equality Properties

Step-by-step explanation:

Step 1: Define equation

5x - 8(1 + 7x) = -8

Step 2: Solve for x

Distribute -8: 5x - 8 - 56x = -8
Combine like terms: -51x - 8 = -8
Isolate x term: -51x = 0
Isolate x: x = 0

Step 3: Check

Plug in x into the original equation to verify it is a solution.

Substitute in x: 5(0) - 8(1 + 7(0)) = -8
Multiply: 0 - 8(1 + 0) = -8
Add: -8(1) = -8
Multiply: -8 = -8

Here we see that -8 does indeed equal -8.

∴ x = 0 is a solution of the equation.

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