When solving an equation, Kaitlyn gets to the last line of her work and is left with “3 = 3”. What does this mean?

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

The area of the rectangle shown is 88 square inches, write an equation that could be used to find the value of x?

Simplify the expression. 10 + 8(2x – 7) + x

Write and solve an equation based on the following description: “11 less than three times a number is the same as 75 less than the product of -1 and the number”

Solve the equation below.

Which of the following equations would have no solution? A. 10x + 3 = 3 + 10x B. 3(-2x + 4) = -6x - 12

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

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.

Simplify the expression. - 1/2(10x + 30) + 5

Simplify: -a + 4 + 5a – a – 6

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