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Intermediate Algebra

OPENSTAX

$Math Studyset Vaia Explanations$ Math

OER 2017 Edition · 1346 pages

ISBN: 9780998625720

Chapter 2: Q. 177 (page 144)

Solve $180 = a + b + c$ for $a$ .

Short Answer

Expert verified

The solution for $a$ is $a = 180 - b - c$

Step by step solution

01

Step 1. Given information

The given formula is $180 = a + b + c$

02

Step 2. Simplify the formula

Subtract $b$ from both sides and simplify as shown below:

$180 = a + b + c 180 - b = a + b + c - b 180 - b = a + c$

03

Step 3. Simplify further

Subtract $c$ from both sides and simplify as shown below:

$180 - b = a + c 180 - b - c = a + c - c a = 180 - b - c$

04

Step 4. Final answer

The solution for $a$ is as $a = 180 - b - c$

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