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2 years ago

What is the number of solutions for 6 - 4r + 4r = 7

Mathematics

2 answers:

zloy xaker [14]2 years ago

7 0

Answer:

Step-by-step explanation

UkoKoshka [18]2 years ago

6 0

Answer:

r = 8

Step-by-step explanation:

6 - 4r + 4r = 7 - Solve

6 - 8r = 7 - Add the 4rs togther

1 = 8r - subtract 6 from 7

8 = r = divide 8 on both sides

r = 8 - your final answer

Hopefully this helps.

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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,

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

6 0

2 years ago

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A trapezoid and a rectangle are both quadrilaterals. This means they both have_____ sides and_______ angles. The angles in a rec

Yanka [14]

Answer:

both have equal sides and equal Angel's

the angels In a rectangle 4 sides

the angles in a trapezoid is 4 sides

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2 years ago

A football team gains 7 yards in the first down then gains 2 yards in the second down. Then loses 4 yards in the third yard. Wha

Alinara [238K]

Answer: 5

Step-by-step explanation:

First we should do the first step: 7+2=9, The they lose 4 which then 9-4

which would equal 5

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2 years ago

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Eddi Din [679]

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Since the line "y = 2x − 8" follows slope-intercept form (y = mx + b), and the slope is always m, we know that the value of the slope is 2.

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3 years ago

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dem82 [27]

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