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murzikaleks [220]
3 years ago
12

+(-6) + (-8)= -4 What’s the missing number???

Mathematics
1 answer:
Darya [45]3 years ago
5 0

Answer:

10

Step by step explanation:

In general, if we have an equation that has just one variable, such as x, then "solving the equation" means finding the set of all values that can be substituted for the one variable to produce a valid equation.

Isolate "x" on one side of the algebraic equation by adding the negative number that appears on the same side of the equation as the "x." For example, in the equation "x - 5 = 12", rewrite the equation as "x = 12 + 5" and solve for "x."

x + (-6) + (-8) = -4

x + (-6 + -8) = -4

x + (-14) = -4

x + (-14 + 14) = -4 + 14

x = 10

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Andreas93 [3]

Answer:

A 37 and 33

Step-by-step explanation:

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6 0
3 years ago
John is selling shirts for 26
Ipatiy [6.2K]
How many does he sell?
8 0
3 years ago
The number of crayons in a box is forty
zzz [600]
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4 0
3 years ago
What is the measure of angle R?
amid [387]

Answer:

52.5

Step-by-step explanation:

Since this is an isosceles triangle, the base angles are the same

The three angles add to 180

R+            T +              S = 180

3x+30   + 3x+30 + 12x-15 = 180

Combine like terms

18x +45 = 180

Subtract 45 from each side

18x+45 - 45 = 180-45

18x =135

Divide each side by 18

18x/18 = 135/18

x = 7.5

We want angle R

R = 3x+30

  = 3( 7.5) +30

  22.5 +30

   52.5

4 0
4 years ago
Read 2 more answers
Ava, Grace, Jayden, and Zoe together stacked a total of 50 brownies on a tray. Ava stacked 0.14 of the brownies, Grace stacked 4
OLEGan [10]

1. Zoe stacked the most brownies. She stacked 27 brownies out of the 50 brownies.

2. 15

3. 43 + 3n ≥ 70, so n ≥ 9

4. D. 58x + 13 + 58y

5. The answer would be ≤4

6. 9.94 + 10.01p ≤ 70, so p ≤ 6

7. C 40 89

8.  D. x+(x+5)=77

Hope I helped you! Please consider marking my answer the brainliest :)

4 0
3 years ago
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