Order of Operations
3 + 4 \cdot (8 - 5)
15
4x + 7x - 3x
8x
3x - 5, x = 4
7
Five more than twice a number n.
2n + 5
x - 14 = -6
x = 8
2^3 \cdot 5 - 12 \div 3
36
5a - 3b + 2a + 8b
7a + 5b
x^2 - 4y, x = -3 and y = 2
1
Eight less than the product of 6 and x
6x - 8
-7y = 63
y = -9
-4^2 + 5cdot 2 - 3^2
-15
3(2x - 4) + 5x - 7
11x - 19
\frac{a + b^2}{c}, a = -5, b = -3, and c = 2
2
The quotient of a number y and 4, increased by 10
\frac{y}{4} + 10
\frac{m}{-4} = 12
m = -48
\frac{18 - 2^3}{2} + 5 \cdot (-3)
13
(x^2 - 3x) - (2x^2 - 5x + 1)
-x2 + 2x - 1
2(x - y) - x^3, x = -2 and y = 3
-2
Three times the sum of a number k and 7
3(k + 7)
-\frac{3}{4}k = 15
k = -20
\frac{(-2)^4 - 2 \cdot (-3)}{(-1 - 2)^2 + 2}
2
2(x^2 - 4x) + 3(2x^2 - 6x + 7)
8x2 - 24x + 21
\sqrt{b^2 - 4ac} ,a = 2, b = -7, and c = 3
5
The difference between twice the square of m and the cube of n
2m2 - n3
x + \frac{5}{6} = -\frac{1}{3}
x = -\frac{7}{6} or -1\frac{1}{6}