Solving Equations - 1.4

A rectangle is 3 times as long as it is wide. The perimeter is 60 cm. Write an equation and solve to find the dimensions of the rectangle.

• No solution

• Infinite solutions

• 15 cm x 45 cm

• 7.5 cm x 22.5 cm

Solve for y. -5y-4=-(y-2)

• No solution

• Infinite solutions

• y = 1

• y = 0

Solve for y. 5+2x-7=6x+8-4x

• No solution

• Infinite solutions

• y = 1

• y = 0

Solve for y. 2x+3y=5

• y=1/3x+5

• y=2x+2

• y = 2/3x+5/3

• y = 5/3x+2/3

Solve for h. A = 1/2bh

• h=1/2Ab

• h = A+1/2b

• hb = 1/2+A

• h = 2A/b