Solving: Equations and Systems - Day 1: Summer School

What value of m makes the equation (2/3)(m - 9) = (1/3)(m - 27) true?

• -9

• -3

• -1

• -6

Tags

CCSS.7.EE.B.4A

What is the solution to the equation 7w – 2(w – 9) = 4 – 8(w + 2)?

• w = -26/9

• w = -10/9

• w = 15/13

• w = -30/13

A rectangle has a length of (5 + 2x) inches and a width of 10 inches. A triangle has a base of 30 inches and a height of (4x – 10) inches. The area in square inches of the rectangle is equal to the area in square inches of the triangle. What is the value of x?

• 2.5

• 3

• 7.5

• 5

Tags

CCSS.8.EE.C.7B

What is the solution to the equation 5(2w + 4) = 4(2w + 9)?

• w = 5/2

• w = 8

• w = 28/9

• w = 5

What is the solution to 4(q + 56.5) = 30q - 112?

• 13

• 8

• -5

• 20

Tags

CCSS.8.EE.C.7B

What is the solution to this equation? 2(40 - 5y) = 10y + 5(1 - y)

• 7.5

• 15

• 5

• Not here

What is the solution to 4(y – 3) + 19 = 8(2y + 3) + 7?

• -1/2

• 1/2

• -2

• 2

What is the solution to this equation?

• 32

• 46

• -6.4

• -40.75

Tags

CCSS.7.EE.B.4A

Which value of x makes the equation 1.25(4x – 10) = 7.5 true?

• 3.5

• –1

• –0.5

• 4

Tags

CCSS.6.EE.B.5

What is the solution to –(6m + 8) = 4(17 – m)?

• –38

• 12

• –24

• 8

Tags

CCSS.8.EE.C.7B