2 years ago

(3x+4)-(-8-2x) simplified

Mathematics

1 answer:

goldenfox [79]2 years ago

7 0

Answer:

5x+12

Step-by-step explanation:

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Mathematical Statement Justification

olya-2409 [2.1K]

Answer:

Step-by-step explanation:

1. Given mathematical statement

$4x+3=x+5-2x$

So,

$\begin{array}{cc}4x+3=x+5-2x&\text{ Given}\end{array}$

2. Rewrite it as

$4x+3=x-2x+5$

So,

$\begin{array}{cc}4x+3=x-2x+5&\text{ Commutative property of addition}\end{array}$

3. Combine like terms $x$ and $-2x:$

$4x+3=-x+5$

So,

$\begin{array}{cc}4x+3=-x+5&\text{ Combine like terms}\end{array}$

4. Add $x$ to both sides:

$4x+3+x=-x+5+x\\ \\5x+3=5$

So,

$\begin{array}{cc}5x+3=5&\text{ Addition property of equality}\end{array}$

5. Subtract 3 from both sides:

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

So,

$\begin{array}{cc}5x=2&\text{ Subtraction property of equality}\end{array}$

6. Divide both sides by 5:

$x=\dfrac{2}{5}$

So,

$\begin{array}{cc}x=\dfrac{2}{5}&\text{ Division property of equality}\end{array}$

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2 years ago

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75 points and I’ll give brainlyist and pleas show work

IRISSAK [1]

Answer:

1. y<-2 2. x≤5 3. 0<23 4. 0 ≤ -1 5. inequality: 3 + (7x) < 24 answer: x<3

Step-by-step explanation:

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3 years ago

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3(3b +2)=-30 what is b =

ycow [4]

3(3b+2)=-30 perform indicated multiplication on left side...

9b+6=-30 subtract 6 from both sides

9b=-36 divide both sides by 9

b=-4

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3 years ago

Solve when m = 7 and k = 2 6m- 3k A.30 B.21 C.36 D.35

NARA [144]

Agree with the one at the top it’s 36

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2 years ago

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What is the perimeter of this shape? A. 26 cm B. 24 cm C. 22 cm D. 18 cm PLEASE HELP

Citrus2011 [14]

Perimeter is adding all dimensions:
11 + 2 + 8 + 5 = 26 cm
Answer is A

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3 years ago

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