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3 years ago

Bryce is making a model building. He raises the walls of the building by 2 centimeters, five times.

Mathematics

2 answers:

photoshop1234 [79]3 years ago

7 0

Answer:

10 cm!

I think...it's really basic math so...maybe?

Paha777 [63]3 years ago

5 0

Answer:

10 cm

Step-by-step explanation:

(2 cm)×5 = 10 cm

Bryce raises the walls 10 cm altogether.

You could add the raises, but multiplication is easier.

(2 cm) +(2 cm) +(2 cm) +(2 cm) +(2 cm) = 10 cm

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So you have:
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1) Start off by multiplying both sides by x to simplify the problem:
$\frac{3}{x} + 2 = \frac{2}{x} - 1 \\
x(\frac{3}{x} + 2) = (\frac{2}{x} - 1)x\\
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2) Now isolate the x by moving all terms with x onto one side and all other terms onto the other side:
$3 + 2x = 2 - x\\
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3) Finally, divide by 3 on both sides to find the value of x:
$3x = -1\\
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Answer: x = $\frac{-1}{3}$

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3 years ago

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~ Simplifying

-2(7x + -5) = -14x + 10

~ Reorder the terms:

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~ Reorder the terms:

10 + -14x = 10 + -14x

~ Add '-10' to each side of the equation.

10 + -10 + -14x = 10 + -10 + -14x

~ Combine like terms: 10 + -10 = 0

0 + -14x = 10 + -10 + -14x

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~ Combine like terms: 10 + -10 = 0

-14x = 0 + -14x

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~ Add '14x' to each side of the equation.

-14x + 14x = -14x + 14x

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0 = -14x + 14x

~ Combine like terms: -14x + 14x = 0

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