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zhuklara [117]
2 years ago
8

2(7x+3-x) i need help

Mathematics
1 answer:
Neko [114]2 years ago
3 0

Answer:

See explanation.

Step-by-step explanation:

I'm assuming your question is to simplify the given expression. I will work that problem and also I will solve for x just in case that's your question instead.

Step 1: Simplify inside parenthesis

7x + 3 - x = 6x + 3

Step 2: Multiply simplified expression by number outside parenthesis

2 * (6x+3) = 2*6x + 2*3

12x + 6

Simplification is done after this step.

Step 3 (unnecessary if the problem is to simplify the expression): Solve

12x + 6 = 0

12x = -6

x = -1/2

Since there was no term given on the other side of the equal sign, I assumed that term was zero.

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Elena ate 2/8 of a pizza and Dylan ate 1/5. Use the number lines and benchmark fractions to estimate how much of the pizza they
netineya [11]

Answer:

18/40

Step-by-step explanation:

1. Find a common denominator

8, 16, 24, 32, 40

5, 10, 15, 20, 25, 30, 35, 40

2/8 times 5= 10/40

1/5 times 8= 8/40

10/40 plus 8/40= 18/40

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3 years ago
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Step-by-step explanation:

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3 years ago
Mary has 96 muffins which she needs to box up, 5 of which are blueberry, into dozens. How many boxes dose he need
lesya692 [45]

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8 0
3 years ago
Read 2 more answers
(a 3 - 2a + 5) - (4a 3 - 5a 2 + a - 2)
Andreas93 [3]

Answer:

- 3a³ + 5a² - 3a + 7

Step-by-step explanation:

Given

(a³ - 2a + 5) - (4a³ - 5a² + a - 2)

Distribute both parenthesis noting the second is distributed by - 1

= a³ - 2a + 5 - 4a³ + 5a² - a + 2 ← collect like terms

= (a³ - 4a³ ) + 5a² + (- 2a - a) + (5 + 2)

= - 3a³ + 5a² - 3a + 7

3 0
3 years ago
Pls show steps and explain​
Anvisha [2.4K]

Answer:

3x+30= 116° 2x=64°

Step-by-step explanation:

the angle below 2x is the same as 3x+20 so we know that 5x+20=180 so solve this

5x+20=180

5x=160

x=32

sub x into the angle equations

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3 years ago
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