4 years ago

How do I solve 5(4x -5) = 155

1 answer:

5 0

5*(4*x-5)-(155)=0
 5 • (4x - 5) - 155 = 0
 Pull out like factors :
20x - 180 = 20 • (x - 9)
 20 • (x - 9) = 0 Solve : 20 = 0
Solve : x-9 = 0
 Add 9 to both sides of the equation :
 x = 9
hope that helps!!

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