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7.E.9 Pizzazz Solving Equations (NO PUZZLE & extras)

Last updated about 2 years ago

21 Nsɛmmisa

Akwankyerɛ

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REMINDERS:

Look for subtraction and change it to addition using ADD THE OPPOSITE.

Fractions have invisible parentheses around the numerator and denominator.

Click here to use our calculator!

Think, "What did they do to the variable?" and follow the Order of Operations as you think about or write the Story.

Go backwards and undo what they did by using the opposite operation.

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1.

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2.

3x+9=5

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3.

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4.

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5.

11 = 8z - 1

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6.

2x - (4 - 3x) = -6

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7.

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8.

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9.

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10.

-7 - 6y=13

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11.

4 = 7 + x + 6x

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12.

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13.

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14.

10 + v - 17v = 4

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15.

40 = 5y - 8

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16.

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17.

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18.

2t - 12 - 3t = 60

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19.

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20.

-30 = q - 10 + 11q

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21.

-20y + 20 = -20