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Mathematics, 21.05.2021 20:30 61497

Simplify the expression. 3. 3(5-2n)+9n

Find the sum or difference.
5. (3j+11)+(8j-7)
6. 3/4(Three-fourths)(8p+12)+3/8(three -eighths)(16p-8)
7. (2r-13)-(-6r+4)
8. -2.5(2s-5)-3(4.5s-5.2)

Solve the equation(Find the unknown variable). Check your solution.
13. 2/9(Two-ninths)g= -8
16. 2/7(Two-sevenths)k-3/8(Three-eighth s)= -19/8

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Simplify the expression. 3. 3(5-2n)+9n

Find the sum or difference.
5. (3j+11)+(8j...
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