Question

Find x pls. i need it quick for a test 312· 85+689· 85−100x =85

Answer 1

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?)

Answer 2

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