123k views
18 votes
Find x pls. i need it quick for a test 312· 85+689· 85−100x =85

2 Answers

9 votes

Answer:

x = 271.24

Explanation:

312 x 85 + 689 - 100x = 85

Simplify with PEMDAS

Parentheses
Not a thing here

Exponents
Not a thing here

Multiplication and

Division

26520 + 689 - 100x = 85

Addition
27209 - 100x = 85

Then use reverse pemdas, SADMEP

Subtraction

-100x = -27124

Finally use Division

x = 271.24

Good luck on the test (is this cheating?)

User Vivek Vashistha
by
8.3k points
11 votes

Answer:

x = 850

Explanation:

312·85 + 689·85 - 100x = 85

Divide the whole equation by 85:

312 + 689 - ¹⁰⁰/₈₅.x = 1

1001 - 1 = ²⁰/₁₇.x

x = ¹⁷/₂₀·1000

x = 50 × 17

x = 850

User MJB
by
7.6k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories