Simplify the expression7x-5(x-3)-xplease help me

Mathematics

2 answers:

vfiekz [6]2 years ago

8 0

Step-by-step explanation:

1) 7x - 5x + 15 - x

2) 2x + 15 -x

3) x + 15

ValentinkaMS [17]2 years ago

6 0

Answer:

x+15

Step-by-step explanation:

pemdas first you do parenthesis and since yo odn't know x then you move on to exponents and if thats not in there then you go to multiplication and any number thats next toa parenthesis without a sign in between them has to be multiplied so -5 times 5 equals -5x and you also have to multiply -5 by negative 3 which is +15 because negative times negative equals positive and -x is still in there so since it's only one x it's equal to -1x and -1x +-5x equals -6x and now 7x-6x equals x+15

You might be interested in

Rewrite the expression as an algebraic expression in x.<br> tan(sin−1(x))

solmaris [256]

Let $tan^{-1} x=\alpha$
Then it can be shown by using a right-angled triangle and the rule of Pythagoras that $\alpha= tan^{-1} \frac{x}{ \sqrt{1-x^{2}} }$
Therefore
$tan(sin ^{-1} (x))=\frac{x}{ \sqrt{1-x^{2}} }$

7 0

4 years ago

Please help, I don’t understand this problem

Arlecino [84]

Y=x+700 is the correct answer. There is a y intercept of 700 and a slope of 1.

4 0

3 years ago

On its first visit to the vet, Emma's kitten weighed 30 ounces. On its second visit, the kitten had gained 8 ounces. On its thir

vodomira [7]

Answer: 14.6 % increase

Step-by-step explanation: 44 divided by 30 = 1.46

To decimal = 14.6 percent

6 0

3 years ago

Please help with some probelms!

posledela

The answer here is A which is the first graph.
Remember that if a is negative in the equation y = ax^2 + bx + c, the parabola always opens downward. For vertex, its coordinates is always located on the first quadrant in which all values are positive.

3 0

3 years ago

Place value= face value×________

Softa [21]

Numerical value of place

7 0

3 years ago

Simplify the expression7x-5(x-3)-xplease help me ​

Simplify the expression7x-5(x-3)-xplease help me