3 years ago

5 | 9 - 5n|-7 = 38 I need helppp.

Mathematics

1 answer:

DerKrebs [107]3 years ago

8 0

Answer:

I got 0 or 18/5

Step-by-step explanation:

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Answer:

M=47.99988

Step-by-step explanation:

M=1.33333(16+20)

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Step-by-step explanation:

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Step-by-step explanation:

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"John spent $30 on six toy cars. How much did each toy car cost? Write a one step equation. Solve"

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3 years ago

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SOS if anyone could help that would be appreciated!!!❤️

Anastaziya [24]

Answer:

See below

Step-by-step explanation:

$2e)15-4x=10x+45$

Solve:

$15-4x=10x+45\\-4x-10x=45-15\\-14x=30\\ \boxed {x=-\dfrac{15}{7}}$ $3(x+1)=21$

Check:

$15-4 \left(-\dfrac{15}{7} \right)=10\left(-\dfrac{15}{7} \right)+45$

$15+\dfrac{60}{7} \right)=-\dfrac{150}{7} +45$

$\dfrac{210}{7} =30$

$30=30$

$3a) 3(x+1)=21$

Solve:

$3(x+1)=21\\3x+3=21\\3x=18\\x=6$

$3b) 2+3(x+1)=6x$

$2+3x+3=6x\\5=3x\\$

$x=\dfrac{5}{3}$

$3c) -2(2x-3)=-2$

Solve:

$-2(2x-3)=-2\\-4x+6=-2\\-4x=-8\\x=2$

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3 years ago