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Lubov Fominskaja [6]
3 years ago
10

Solve the equation -3x - 5 =16 What does x =??

Mathematics
2 answers:
Paul [167]3 years ago
8 0

Answer: -7

Step-by-step explanation:

Move all terms that don't contain

x

x

to the right side and solve

Andru [333]3 years ago
5 0

Answer:

x=-7

Step-by-step explanation:

x = 21 \div  - 3  \\ x =  - 7

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Step-by-step explanation:

It is given that the total measurement of the two angles combined would equate to 116°.

It is also given that m∠WXY is 10° more then m∠ZXY.

Set the system of equation:

m∠1 + m∠2 = 116°

m∠1 = m∠2 + 10°

First, plug in "m∠2 + 10" for m∠1 in the first equation:

m∠1 + m∠2 = 116°

(m∠2 + 10) + m∠2 = 116°

Simplify. Combine like terms:

2(m∠2) + 10 = 116

Next, isolate the <em>variable</em>, m∠2. Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS.

First, subtract 10 from both sides of the equation:

2(m∠2) + 10 (-10) = 116 (-10)

2(m∠2) = 116 - 10

2(m∠2) = 106

Next, divide 2 from both sides of the equation:

(2(m∠2))/2 = (106)/2

m∠2 = 106/2 = 53°

53° is your answer.

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