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Substituiotion method to find the value of y y equals 2x plus 5 x plus y equals 4?
y = 2x+5 x+y = 4 Substitute the value of y into the second equation: x+2x+5 = 4 x+2x = 4-5 3x = -1 Divide both sides by 3 to find the value of x: x = -1/3 Substitute the value of x into the original equations to find the value of y: x = -1/3 and y = 4 and 1/3
What does 0 divide by x equal?
0 ÷ x = 0 (unless x is known to have the value zero, as you cannot divide by zero).
If 12x equals 4 parenthesis x plus 5 parenthisis what does x equal?
12x = 4(x+5) 3x = x+5 divide by 4 2x = 5 subtract x x = 2.5 divide by 2
What is an equivlent fraction is 5-6 and 10-12 equivlent why or why not?
5/6 = 10/12 because 10/12 is 5/6 x 2/2, which is the same as multiplying 5/6 x 1 so it doesn't change its value. If you divide 5 by 6 you will get the same answer as you do if you divide 10 by12.
How do you solve the equation 3x plus 5 equals 26?
3x+5 = 26 Subtract 5 from both sides: 3x = 21 Divide both sides by 3 to find the value of x: x = 7
What is the prime factorization of 815?
5 x 163 = 815
What is the Fahrenheit equivalent of 435 degrees celsius?
The Fahrenheit equivalent of 435 degrees Celsius is 815 degrees. This can be calculated using the formula: (Celsius temperature x 9/5) + 32.
What is the answer to 10 percent of 815?
10% x 815 = 81.5
What are the steps for 5 times x plus 5 equals 20?
5x+5 = 20 Subtract 5 from both sides: 5x = 15 Divide both sides by 5 to find the value of x: x = 3
What is the value of x if 8x plus 5 equals 25?
8x + 5 = 25(- 5 from both sides)8x = 20(divide both sides by 8)x = 2.5
What is the value of x in the equation 3x + 7 = 22?
3x + 7 = 22 Subtract '7' from both sides Hence 3x = 15 Divide both sides by '3' x = 5 The answer !!!
What is 5 percent of 3 million?
remember: ''is value'' over ''of value'' equals ''%'' over ''100'' is/of = %/100 --------> x/3,000,000 = 5%/100 (cross cancel)100x = 15,000,000 ( divide both by 100 to get x by itself)x = 150,000
How do you find the prime factorization for 250?
250 Divide by two. 125,2 Divide by five. 25,5,2 Divide by five. 5,5,5,2 Stop. 2 x 5 x 5 x 5 = 250
Why is x8 and x2 is x6 and not x4?
To divide indices you subtract, hust like to multiply you add. eg 5 to the sixth divide by 5 to the fourth is five to the (6 - 4) ie 5 squared ie 25. Check it : 5 to the sixth = 5 x 5 x 5 x 5 x 5 x 5; 5 to the fourth = 5 x 5 x 5 x 5; To divide 5 x 5 x 5 x 5 cancels out leaving 5 x 5.
Substituiotion method to find the value of y y equals 2x plus 5 x plus y equals 4?
y = 2x+5 x+y = 4 Substitute the value of y into the second equation: x+2x+5 = 4 x+2x = 4-5 3x = -1 Divide both sides by 3 to find the value of x: x = -1/3 Substitute the value of x into the original equations to find the value of y: x = -1/3 and y = 4 and 1/3
What does 0 divide by x equal?
0 ÷ x = 0 (unless x is known to have the value zero, as you cannot divide by zero).
How do you get to the prime factorization for 800?
800 Divide by two. 400,2 Divide by two. 200,2,2 Divide by two. 100,2,2,2 Divide by two. 50,2,2,2,2 Divide by two. 25,2,2,2,2,2 Divide by five. 5,5,2,2,2,2,2 Stop. 2 x 2 x 2 x 2 x 2 x 5 x 5 = 800
