Solve for x:
x + 7 = 15
x = 8
Solve the following inequality and graph the solution on a number line:
x + 3 > 7
x > 4
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3/x = 12/20
3/x = 12/20
3*20 = 12x
60 = 12x
x = 5
Solve for a:
h = a + 7
a = h - 7
The sum of three consecutive integers is 51. Find the value of the greatest of the three.
18
Solve for y:
3y - 8 = 13
3y - 8 = 13
3y = 21
y = 7
Solve the following inequality:
2x - 5 ≤ 11
2x - 5 ≤ 11
2x ≤ 16
x ≤ 8
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Solve for y:
(y+2)/5 = y/3
(y+2)/5 = y/3
3(y+2) = 5y
3y + 6 = 5y
6 = 2y
y = 3
Solve for b:
j = bH
b = j/H
Christopher is the oldest of three siblings whose ages are consecutive odd integers. If the sum of their ages is 63, find Christopher's age.
Christopher is 23 years old
Solve the following equation for x:
2x + 5 = 3x - 4
2x + 5 = 3x - 4
5 = x - 4
x = 9
Solve the following inequality
-3x + 4 < -11
-3x + 4 < -11
-3x < -15
x > 5
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Solve for x:
7/(2x - 1) = -4/(x+3)
7/(2x - 1) = -4/(x+3)
7(x+3) = -4(2x - 1)
7x + 21 = -8x + 4
15x + 21 = 4
15x = 25
x = 25/15 = 5/3
Solve for B:
B/Q = d + f3
B= Q(d + f3)
The sum of three consecutive odd integers is 75. Find the value of the middle of the three.
25
Solve for a:
7(a + 2) = 7a + 26
7(a+2) = 7a + 26
7a + 14 = 7a + 26
14 = 26
No solutions
Solve the inequality:
-3x + 1 < 10
-3x + 1 < 10
-3x < 9
x > -3
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Solve for a:
(3a+2) / (a - 1) = 5/2
(3a+2) / (a - 1) = 5/2
2(3a + 2) = 5(a - 1)
6a + 4 = 5a - 5
a + 4 = -5
a = -9
Solve for b:
Gb = m / R
Gb = m / R
b = m / (RG)
The lengths of the four sides of a quadrilateral (in meters) are consecutive even integers. If the perimeter is 52 meters, find the value of the longest of the four side lengths.
16 meters
Solve the following equation for x:
4(2x - 3) - 5(x + 1) = 3x - 17
4(2x - 3) - 5(x + 1) = 3x - 17
8x - 12 - 5x - 5 = 3x - 17
3x - 17 = 3x - 17
-17 = -17
Infinitely many solutions
Solve the following inequality. Graph the solution on a number line:
4(x - 2) + 3 > 2(x + 1) - 5
4(x - 2) + 3 > 2(x + 1) - 5
4x - 8 + 3 > 2x + 2 - 5
4x - 5 > 2x - 3
2x - 5 > -3
2x > 2
x > 1
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Solve for x:
(-2x - 5) / (3 - x) = -7 / -4
(-2x - 5) / (3 - x) = -7 / -4
-4(-2x - 5) = -7(3 - x)
8x + 20 = -21 + 7x
x + 20 = -21
x = -41
Solve for A:
G = 5BA - Q
G = 5BA - Q
G + Q = 5BA
A = (G + Q) / (5B)
The length and width of a rectangle are consecutive integers. The perimeter of the rectangle is 86 inches. Find the length and width of the rectangle.
21 & 22 inches