One-Step Equations
x - 10 = 13
x = 23
2x - 4 = 14
x = 9
y = x + 3
Let x = 7. Solve for y.
y = 10
-3 + -9 =
What do you call a letter (x, y, etc.) in an equation?
Variable
6x = 72
x = 12
6x + 36 = 36
x = 0
y = 4x
Let x = 11. Solve for y.
y = 44
23 + (-9) =
14
A negative number divided by a negative number will result in a _________ number.
Positive.
14 - x = 8
x = 6
-4x - 3 = 13
x = -4
y = 8x - 2
Let x = 10. Solve for y.
y = 78
-4 + -6 + 10 =
0
On the coordinate plane, which axis is vertical?
The y - axis.
x + 15 = 7
x = -8
12x + 20 = 8
x = -1
y = 3x - 8
Let x = 9. Solve for y.
y = 19
-6 x -3 x -2 =
-36
On the coordinate plane, what is the point (0,0) referred to as?
The origin.
16 - x = 25
x = - 9
-9x + 17 = 107
x = -10
y = -2x + 3
Let x = 4. Solve for y.
y = -5
-108 / 9 =
-12
Is (3, 42) a solution to the equation
y = 12x + 8.
No. If x = 3, then y = 44.