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2 years ago

Thelinear expression of 3(m+9)+(7m-6)

Mathematics

2 answers:

Svetllana [295]2 years ago

8 0

Answer:

The answer for the expression is 10m+21

Step-by-step explanation:

3(m+9)+(7m-6)

Expanding the expression, we will have

3m+27+7m-6

Collect the like terms

3m+7m+27-6

10m+21

Alla [95]2 years ago

7 0

Answer:

10m+21

Step-by-step explanation:

1) distribute "3"

3m+27+7m-6

3m+7m=10m

27-6=21

10m+21

Hope this helps!

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1/50000

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1/50000 is the value of 5

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Which statement is true about the equations-3x 4y 12 and tx 1?

nydimaria [60]

We need to solve -3x+4y=12 for x

Let's start by adding -4y to both sides

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2 years ago

The perimeter of a rectangle is 400 feet and the length of the rectangle is 3 times the width. find the dimensions of the rectan

bazaltina [42]

Width: x
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3 years ago

Solve the equation 3/4x+3-2x = -1/4+1/2x+5

elena55 [62]

Hi there! The answer is x = -1

Let's solve this equation step by step!
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First collect terms.
$- 1 \frac{1}{4} x + 3 = \frac{1}{2} x + 4 \frac{3}{4}$

Subtract (1/2)x from both sides.
$- 1\frac{3}{4} x + 3 = 4 \frac{3}{4}$

Subtract 3 from both sides.
$- 1\frac{3}{4} x = 1 \frac{3}{4}$

And finally divide by -1 3/4
$x = \frac{7}{4} \div - \frac{7}{4} = \frac{7}{4} \times - \frac{4}{7} = - \frac{28}{28} = - 1$

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