Answer:What number must be multiplied by 3 to obtain 15? ... Example 11 A student solved the equation 5x - 3 = 4x + 2 and found an answer of x = 6. ... Example 12 3x = 6 and 2x + 1 = 5 are equivalent because in both cases x = 2 is a solution. ... + 3x = 7x + 2 - 4x can be changed to a simple equation x = 3, and the equation x = 3 is .

Step-by-step explanation:

7 0

3 years ago

what is the sum of the first 25 terms of an arithematic sequence if the sum of its 8th and 18th terms is 72?

max2010maxim [7]

Answer:

900

Step-by-step explanation:

7 0

3 years ago

Part 1 Simplify each fraction. Some fractions can be simplified more than once. 66/108

levacccp [35]

Answer:

11/18

Step-by-step explanation:

divide the numerator and denomonater by the GCD, whic is 6.

then you would get the reduced fraction of 11/18

4 0

2 years ago

What is the cost of an $8,000 car including 5½% tax?

mina [271]

Answer:

$8,440

Step-by-step explanation:

5.5% of 8,00 = 440

8,000 + 440 = 8,440

6 0

3 years ago