Respuesta :

kphung76127
Subtract 2y from both sides
y+20=3

Subtract both sides by 20
y=-17

Final answer: y=-17
sana112704

{Algebra II: Solving Inequalities}↴

1.) Solve the equation.  3y+20=3+2y

  • -17

2.) -5y-9=-(y-1)

  • -2½

3.) Use an algebraic equation to solve the problem.  

A rectangle is 3 times as long as it is wide. The perimeter is 60 cm. Find the dimensions of the rectangle. Round to the nearest tenth if necessary.

  • 7.5 cm by 22.5 cm

4.) Is the following always, sometimes, or never true?  14+3x-7=7x+7-4x

  • always

5.) Solve the equation or formula for the indicated variable.  S=5r²t, for t

  • t=S/5r²

100% Correct ✨

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