3 years ago

Hellpppppppppppppppp memeeeeeeeee

Mathematics

1 answer:

blondinia [14]3 years ago

8 0

Answer:

Step-by-step explanation:

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What does x equal 7(2x+5)=4x -9 -x PLEASEEEE HELPPPP ME

Gennadij [26K]

Answer: x=-4

Step-by-step explanation:

Given

7(2x+5)=4x-9-x

Expand parenthesis

14x+35=4x-9-x

Combine like terms

14x+35=3x-9

Subtract 35 on both sides

14x+35-35=3x-9-35

14x=3x-44

Subtract 3x on both sides

14x-3x=3x-44-3x

11x=-44

Divide 11 on both sides

11x/11=-44/11

x=-4

Hope this helps!! :)

Please let me know if you have any questions

5 0

3 years ago

Simplify the expression to a + bi'form: (1 - 5i)(5 +6i)

lions [1.4K]

$(1 - 5i)(5 + 6i) \\ = 5 + 6i - 25i - 30 {i}^{2} \\ = 5 - 19i + 30 \\ = 35 - 19i$

I hope I helped you^_^

7 0

2 years ago

Read 2 more answers

Which cypress ion is equivalent to 4(x+2) ? 6x 4(x)+4(2) 4(x)+4 8x

jenyasd209 [6]

Answer:

4(x) + 4(2)

Step-by-step explanation:

4(x+2) = 4(x) + 4(2)

Distribution property

5 0

3 years ago

What is 4/5n - 14 = 62 ?

balu736 [363]

Answer:n=95

Step-by-step explanation:

6 0

3 years ago

Which expressions are equivalent to 2^−4·2^2?

Ede4ka [16]

Answer: the answer is 6)

Step-by-step explanation:

Because $2x^{-4}$ . $2x^{2}$ = $2x^{-4+2}$ = $2x^{-2}$

I hope it right

5 0

3 years ago