SOLUTION: I need help with my algebra 1. Q: the perimeter of a triangle is 136 cm. If the three sides of the triangle are (x+7) ( 2x-5) and (3x+2) what is the length of each side?

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Question 906352: I need help with my algebra 1.
Q: the perimeter of a triangle is 136 cm. If the three sides of the triangle are (x+7) ( 2x-5) and (3x+2) what is the length of each side?
Found 2 solutions by richwmiller, Alan3354:
Answer by richwmiller(17219) (Show Source):
You can put this solution on YOUR website!
(x+7)+ ( 2x-5)+ (3x+2) =136
x+7+ 2x-5+ 3x+2 =136
x+2x+3x+7-5+2=136
add up the terms with x
add up the constants (numbers alone)

Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website!
Q: the perimeter of a triangle is 136 cm. If the three sides of the triangle are (x+7) ( 2x-5) and (3x+2) what is the length of each side?
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Add the 3 binomials.
The sum = 136
Solve for x
Sub for x to find each length.