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Nataly [62]
3 years ago
6

How do you solve 7a-3=3+6a

Mathematics
1 answer:
REY [17]3 years ago
6 0
To solve this question, you want to try to get the variable alone on one side.

So, your starting equation is 7a-3=3+6a.  You want to subtract 6a from both sides of the equation, so that the variable a is only on the left side of the equation.

So, after subtracting, your equation looks like a-3=3.  Next, you want to add 3 to both sides, to cancel out the -3 on the left side of the equation.

If performed correctly, your equation should be a=6.

Your final answer is a=6.
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A train left for Houston, and 7 hours later, a car traveling 62 mph tried catching up to the train. After 4 hours, the car caugh
lana [24]

Answer: 22.55 mph

Step-by-step explanation:

Let the speed of the train be n

4 × 62 = 248 which is the distance travelled by the car in 4 hours and the train travelled in 11 hours

11 × n = 248

11n = 248

n = 248/11

n = 22.55mph

5 0
4 years ago
Solve: (-6)(-7)<br> Divide or multiple
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Step-by-step explanation:

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6 0
3 years ago
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Solve 25t+5/3&lt;-9 for t.
KATRIN_1 [288]

Answer:

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4 0
3 years ago
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The side lengths for \thetaθ are opposite = 8, adjacent = 6, hypotenuse = 10.
Simora [160]
What angles are you looking at?,
well one one angle is cos⁻¹∅=8/10 = cos⁻₁=0.8= 36.9
and the other angle is sin⁻¹∅=53.1
4 0
3 years ago
State what method you would use to solve the equation. Justify your answer. You do not need to solve the equation.
aleksandrvk [35]

Answer:

By factoring

Step-by-step explanation:

4x^2+25=20x then:

4x^2-20x+25=0

factoring:

(2x-5)(2x-5)=0

2x=5, x=2.5

5 0
3 years ago
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