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DO NOW
Can you solve this equation?
Can you solve this equation?
x + x + x + 4 + 2 + 5 + x + 1 + x = 22
x + x + x + 4 + 2 + 5 + x + 1 + x = 22
LEARNING TARGET
LEARNING TARGET
I can solve equations involving combining like terms.
I can solve equations involving combining like terms.
I DO
I DO
sometimes, it helps to make one or both sides of your equation simpler before solving. one way to do that is by combining like terms.
sometimes, it helps to make one or both sides of your equation simpler before solving. one way to do that is by combining like terms.
HOW does this work? Let's look at an example:
HOW does this work? Let's look at an example:
In this case, Supermans are alike and Batmans are alike. What are like terms in math?
In this case, Supermans are alike and Batmans are alike. What are like terms in math?
Term: a single number or variable, or numbers or variables multiplied together. There is never addition or subtraction IN a term.
Term: a single number or variable, or numbers or variables multiplied together. There is never addition or subtraction IN a term.
Like terms: terms that have the same variables and exponents (powers). The coefficients do not need to match.
Like terms: terms that have the same variables and exponents (powers). The coefficients do not need to match.
What are the like terms here?
What are the like terms here?
x + y + 8 - 3x + 2y + 5x + 7y + 18
x + y + 8 - 3x + 2y + 5x + 7y + 18
12 + 4x - 3y + 8x - 10y - 4
12 + 4x - 3y + 8x - 10y - 4
IMPORTANT NOTE: When you combine like terms in a problem, you can only combine them on the SAME SIDE OF THE EQUAL SIGN!
Let's do some examples:
Let's do some examples:
Does it help you most to watch me carefully, or to write these down along with me?
4n − 2n = 4
−12 = 2 + 5v + 2v
10p + 9 − 11 − p = 16
WE DO
WE DO
YOU DO
YOU DO
EXIT TICKET
EXIT TICKET
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