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First you want to simplify the equation using cross-multiplication.
Finally, you would want to divide both sides by 15.
n = 161
First you want to simplify the equation using cross-multiplication.
Finally, you would want to divide both sides by 15.
n = 161
Answer:
52/3
Step-by-step explanation:
Use basic Thales therom,
Cross multiply,
3*(5x-8)=4*(3x+7)
3*5x - 3*8 = 4*3x + 4*7
15x - 24 = 12x +28
Add 24 to both sides
15x = 12x + 28 + 24
15x = 12x + 52
Subtract 12x from both sides
15x-12x =52
3x = 52
Divide both sides by 3
x = 52/3