1.1 Solving Simple Equations
y + 8 = -11
What is y = -19?
10x + 2 = 32
What is x = 3?
-24 - 8p = 4p
What is p = -2?
Solve the equation for y: 20 = 5x + 10y
What is y = 2 - 1/2 x?
1/6 (12z - 18) = 2z - 3
What is All Real Numbers or Infinitely Many Solutions?
3.2 = -0.4 n
What is n = -8?
What is x = 9?
3k - 1 = 7k + 2
What is k = -3/4?
The equation for a line in slope-intercept form is y = mx + b. Solve the equation for x.
What is x = (y - b)/m?
The equation P = 2.5m + 35 represents the price of a bracelet where m is the cost of the materials. The price of the bracelet is $115. What is the cost of the materials?
What is $32?
-9 + p = 12
What is p = 21?
2(3 - p) - 17 = 41
What is p = -26?
3(x - 4) = -2 (4 - x)
What is x = 4?
The equation for density of a substance is D = m/V. Solve for V.
What is V = m/D?
A 455ft fence encloses a pasture. The lengths of the sides are x, 3x, 1.5x, and 180ft. Find the lengths of each side.
What is 50ft, 75ft, 150ft, and 180ft?
x - 2/3 = -11/12
What is x = -1/4?
6(5-8v) + 12 = -54
What is v = 2?
1/5 ( 15b - 7) = 3b - 9
What is No Solution?
Area of a triangle is A = 1/2 b h. Solve for h.
A taxi ride costs $3 plus $2 for each mile driven. You spend $39 on a taxi. This was the length of your taxi ride.
What is 18 miles?
-1.4 + n = -6.3
What is n = -4.9?
3/4 x - 1/3 = 5
What is x = 64/9 or 7 1/9?
0.25 (48h + 144) = 0.5 (20h - 52)
What is h = -31?
Solve for r: V = pi r2 h
What is r = square root (V/pi h)?
The perimeter of a square (with side length 3x + 3) is equal to the perimeter of a triangle (with side lengths 7x - 2, 7x - 2, and 2x + 4). What are the side lengths of the square?
What is 12?