Answer:
x = 14
Step-by-step explanation:
Step 1 :
Solving a Single Variable Equation :
1.1 Solve : -x+14 = 0
Subtract 14 from both sides of the equation :
-x = -14
Multiply both sides of the equation by (-1) : x = 14
One solution was found :
x = 14
Processing ends successfully
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So first u do 54=20+20+A+A a is a variable that we r using for unknown side
than 40=40+2A
14=2A
A=7 i hope u know what i am trying to explain if u have any question please tell me =)
Answer:
Simple Interest = (Time * Rate * Principal) / 100
=> SI = 3 * 5 * 800 / 100
=> SI = 15 * 8
=> SI = Rs. 150
Hence, her interest after 3 years at a rate of 5 percent = Rs. 150
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Thank You!!
