What is a variable?
a letter that represents a number
solve (show your work)
y - 3 = 12
y = 15
What do I do after circling the variable?
3b + 3 = 6
subtract 3 from both sides
What's my first step?
4x - 3 = 2x + 1
Circle the variables.
Adding 2 positive numbers gives me a __________.
Positive number
What is a constant?
A number with no variable.
Solve (show your work)
y + 5 = 35
y = 30
Solve (show your work)
3b + 3 = 6
b = 1
What's step 2?
4x - 3 = 2x + 1
Move the variables to the left side
subtract 2x from both sides
Multiplying/Dividing 2 negative numbers gives me a ____________.
(-a) * (-a) = ??
Positive number
What do you call a math problem with an equal sign?
Equation
FREE POINTSSSS
What do I do after circling the variable?
-6 + 8y = 26
add 6 to both sides
What's step 3?
4x - 3 = 2x + 1
-2x -2x
2x - 3 = 1
Move the numbers to the right
Add 3 to both sides
Adding 2 negative numbers gives me a _____________.
(-a) + (-a) = ??
Negative number
What do you call terms with the same VARIABLE and EXPONENT??
4x and 3x are _______ _________.
Like Terms
Solve (show your work)
2y = 12
y = 6
Solve (show your work)
7 + 3y = 16
y = 3
What do I do next??
4x - 3 = 2x + 1
-2x -2x
2x - 3 = 1
2x = 4
Divide both sides by 2
FREE POINTSSSS
:)
What do you call the number before the variable??
4x <--- what is the 4??
coefficient
Solve (show your work)
y
___ = 4
2
y = 8
What did I do wrong?
2y + 4 = 14
+4 + 4
2y/2 = 16/2
y = 8
Added 4 instead of subtracting 4
solve (show your work):
x = 12
What happens to 2 negatives IN A ROW?
a - - a
It becomes addition (a plus)
a + a