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Integer Rules for Addition
1. If the Signs are the same,______?
2. If the signs are different,________?
1. add the numbers and keep the sign.
2. subtract the numbers and keep the sign of the number with the largest absolute value.
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2. Subtraction: Add the opposite
1. Keep the first number the ____?
2. Change the subtraction sign to ___?
3. Change the sign of the _____ number to it's _____ sign
- 1. same
- 2. addition
- 3. second/opposite
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3. Multiplication and Division
1. If the signs are the same, the answer is ____?
2. If the signs are different, the answer is ____?
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Golden Rule for Solving Equations
Whatever you do to one side of the equation, you must do to the other side.
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Combining Like Terms
Like terms are two or more terms that contain the same _______/
Variable
- 3x, 8x, 9x, are like terms
- 3x, 3y are not like terms
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Distributive Property
3(x+5) = ________?
-2(y-5) = ________?
5(2x-6) = _______?
- 3x+15 Multiply the 3 times x and 5
- -2y+10 Multiply -2 times y and -5
- =10x-30 Multiply 5 times 2x and -6
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