Simplify an expression for the perimeter of the equilateral triangle shown below.

Solve the equation: -8x – 3(2x + 1) = 67

Solve the equation: 2(14x – 4) = 4(7x – 2) + 2

Solve the equation: -12c – 4 + 7.5c – 11 = -6

Solve the equation below.

The perimeter of the rectangle below is 42 inches. Find the value of x.

Simplify: -a + 4 + 5a – a – 6

Simplify the expression. 3.2 + 8.9w – 22 – 11.2w – 3.2

Which is the correct first step to solve the linear equation shown? 25 – 2.5x = 40

What is the correct solution to the equation shown? 0.4(5x – 12) + 0.5x = 15.2

Simplify the expression by distributing and combining like terms: -7 + 0.3(-4x + 20) + 8.8x

Solve the equation: 9x + 6(x – 2) = 3(5x – 4)

A person weighs 120 lbs & is gaining 2 lbs a week. Another person weighs 155 lbs and is losing 1/2 lb each week. Write an equation that could be used to determine x, the number of weeks that it will take for them to weigh the same.