Solving Equations
Solve the Equation for x
-4x + 3x = 2
x = -2
Solve the equation y = ax − b for the variable a.
a = (y+b)/x
Solve the inequality 5x + 2 > 27
x > 5
Solve the compound inequality. x - 2 < 3 and x + 6 > 10
x < 5 and x > 4
4 < x < 5
Solve the absolute value equation.4 − |x| = 1
x = +/- 3
Solve for x
4 (x + 9) = x + 9
x = -9
Solve the formula y = mx + b for b
b = y - mx
Solve the inequality. 1/4 x > 1/2
x > 2
Solve the compound inequality. 2x + 5 > -3 and 4x + 7 < 15
x > -4 and x < 2
Solve the absolute value equation. 2|x - 3| + 4 = 24
x = -7, 13
How many solutions are there to this equation?
7x - 1 (x-3) = 3 (2x + 2)
No Solution
Solve the formula V=lwh for l
l = V/wh
Solve the inequality. 4(x + 3) − 6 ≥ x + 3(x + 1)
6 ≥ 3
All Real Numbers (Infinitely Many Solutions)
Solve the compound inequality. 3x − 4 > 5 or 1 − 2x ≥ 7
x > 3 or x ≤ -3
Find the solution of the absolute value inequality. 4 > |x + 1| + 2
x < 1 and x > -3
The sum of three consecutive integers is 153. What are the three numbers? List the numbers in order from least to greatest.
50, 51, 52
Solve the equation c = ax + de for e.
e = (c - ax)/d
Solve the inequality. 3x + 7 - 2 < 2x + x + 3
5 < 3
No Solution
Solve the compound inequality. -x + 1 > -2 or 6(2x - 3) > -6
x < 3 or x > 1
Solve the absolute value inequality. |80 - 5x| ≤ 4
x ≥ 15.2 and x ≤ 16.8
The sum of three consecutive even integers is 96. What are the three numbers? List the numbers in order from least to greatest.
30, 32, 34
Write the formula for simple interest I=Prt in terms of r.
r = I/Pt
Solve the inequality. 2(7x - 2) > 9x + 6
x > 2
Solve the compound inequality for the value of x. A is the area (rectangle: length is 5 width is x) 35 > A > 25
7 > x > 5
Solve the absolute value of the inequality. 2|x + 4| < -6
x < -7 and x > -1