4. Simplify the expression below.
​\( 3\frac{2}{5}+1\frac{4}{7} \)​+147
Which of the following is correct?

A. ​\( \frac{145}{34} \)​
B. ​\( \frac{174}{35} \)​
C. ​\( \frac{168}{35} \)​
D. ​\( \frac{159}{34} \)​

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5. 3(7²+ 5) ÷ 6 – 3

A. 49/3
B. 26
C. 23
D. 24

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6. Solve for x.
2(3x – 1) – 2(x + 5) = 12

A. 0
B. 6
C. 4
D. 5

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