To factor out the coefficient of a variable you divide it by the sum.
Answer:
m = 7 n ( the '=' is meant to be the proportional sign)
Step-by-step explanation:
21 ÷ 3 = 7
35 ÷ 5 = 7
56 ÷ 8 = 7
Answer:
x = -11/4
Step-by-step explanation:
Given that:
-2 = 5 / (2x+3)
Multiplying both sides by (2x + 3)
-2(2x + 3) = 5
"-" sign will alter the inner signs
-4x -6 = 5
Adding 6 on both sides:
-4x -6 +6 = 5 + 6
-4x = 11
Dividing both sides by -4
-4x/-4 = 11/-4
x = -11/4
i hope it will help you!
15 and one half is 31/2. 3 and seven eighths is 31/8. 31/2 also equals 124/8. Then the answer is 124/8 - 31/8 is 91/8. Hope that helped.
Answer:
No
Step-by-step explanation:
Neither 4 or 7 is a solution to both equations
