Medium Math Class 9 Level 5

What is the value of x in 9x - 15 = 4x + 30?

समीकरण 9x - 15 = 4x + 30 में x का मान क्या है?

A) 7 / 7 B) 8 / 8 C) 9 / 9 D) 10 / 10
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Correct Answer

C. 9 / 9

Explanation

9x - 4x = 30 + 15 so 5x = 45 and x = 9.

9x - 4x = 30 + 15 इसलिए 5x = 45 और x = 9।

Related Questions

Easy Math Class 10 Level 1

What is the area of a circle with radius 7 cm when π = 22/7?

7 सेमी त्रिज्या वाले वृत्त का क्षेत्रफल कितना होगा जब π = 22/7 हो?

A. 44 सेमी² / 44 cm² B. 77 सेमी² / 77 cm² C. 154 सेमी² / 154 cm² D. 308 सेमी² / 308 cm²
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