1. 1 2 3 4 5 6
Equations
my dear Watson

2. Question 1 x 2
Solve = 5
x = 4 ?
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3. Question 2
3a + 7
a + 5 4a ?
a = 21
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4. Question 3
Solve 7 – 2x = 9
x = -1 ?
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5. Question 4
Solve 5y – 3 = 2y + 3
y = 2 ?
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6. Question 5
Solve a = 9 – 4a ? 1 3
a = -
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7. Question 6
I think of a number and put it in the bottom-left square. I put a number seven larger in the square to the right, and a number 3 times bigger than the original number in the square above. The total of the squares is 122. What was my number? ? 23 ? ?
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