Mathematics, 17.11.2019 12:31 thedocgalloway

The perimeter of a triangle is 42 cm. sides #1 and #2 have equal length, while side #3 is two centimeters shorter than twice the length of side #1. how long is each side?
define a variable (just one variable) and write an equation to sole the problem.
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The perimeter of a triangle is 42 cm. sides #1 and #2 have equal length, while side #3 is two centim...