4x + 6x
10x
3(x + 4)
3x + 12
3 + 2x * 4
8x + 3
2x + 3 when x = 4
11
The sum of a number and 7
x + 7
9y - 3y +2y
8y
-2(y + 5)
-2y - 10
(5 + x) * 3
15 + 3x
3y - 7 when y = 5
8
3y - 5
Three times a number y decreased by 5
5a + 8 + 7a - 3
12a + 5
5(2a + 7)
10a + 35
x2 + 2 * 4
x2 + 8
4x + 2y when x = 2 and y = 3
14
Twice the sum of a number and 4
2(x + 4)
6x + 4y - 2x + 7 - y
4x + 3y + 7
-4(m + 7n - 3)
-4m - 28n + 12
(2x + 3)2 - 4 * x
4x2 + 8x + 9
x2 + 2x + 1 when x = 3
16
n2 + 6n
The square of a number n plus six times the number
12m - 5n + 8 + 7m + 3n - 2 - 10m
9m - 2n + 6
(x + 2)(x + 3)
x2 + 5x + 6
(x + ( 2 * 3))2 - (4x - 5)
x2 + 8x + 41
(2x + y)2 - 3y when x = 2 and y = -1
12
The quotient of the sum of a number and 3, and twice the number minus 1
(x + 3) / (2x - 1)