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Alex_Xolod [135]
4 years ago
8

Solve this equation 5x-3=7-3x

Mathematics
2 answers:
Jet001 [13]4 years ago
7 0
5x-3=7-3x\ \ \ \ | add\ 3x\\\\
8x-3=7\ \ \ \ | add\ 3\\\\
8x=10\ \ \ | divide\ by\ 8\\\\
x=\frac{10}{8}=\frac{5}{4}=1\frac{1}{4}\\\\
x=1\frac{1}{4}
DanielleElmas [232]4 years ago
6 0
Ffirst you try to get all the unknowns on one side si
5x-3=7-3x
add 3x to both sides
8x-3=7
add 3 to both sides
8x=10
divide both sides by 8
x=10/8=5/4= 1 and 1/4=1.25
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Answer: $57.6

Step-by-step explanation:

Given : A businesswoman sells a bag for $52.32.

Let cuurent selling price : SP = $52.32

As they are making 9% profit now.

That means SP= Cp +0.09 CP , where Cp is the cost price of bag.

i..e 52.32=Cp(1+0.09) \ \text{[Substituted value of SP in LHS and taking Cp common outside in RHS]}

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