Answer:
54 mins
Step-by-step explanation:
Answer:
x = 10/3
x = 3 1/3
(3 whole number, 1/3)
Step-by-step explanation:
To solve for x, we just simplifying the expression.
Be mindful of the signs!
Let's go on now!
x + 7/-3 = 1
Begin by Multiplying all through by -3.
The expression becomes:
(-3 * x) + (7/-3) * -3 = 1 * -3
-3x + 7 = -3
-3x = -3 -7
-3x = -10
Divide both sides by the coefficient of x.
x = -10 / -3
x = 10/3
x = 3 1/3
(3 whole number, 1/3)
Maths is fun !
5x^7 , Y^11 is your answer
Please try to follow me, as I demonstrate a method of solution.
This could get complicated. I'll try to go slowly, and you must
stop me if I do anything that's not clear.
Ready ?
You said that -5c/8 = 20
Multiply each side by 8: -5c = 160
Divide each side by 5 : - c = 32
Multiply each side by -1 : c = -32
Let me help you with this :)
John = x
Mike = y
x = 4 + 3y (4 more than 3 times)
x + y = 20 (we put the x above into this equation)
4 + 3y + y = 20
4y = 16 (we transfers the 4 on the left side to the right side and subtract it from the 20)
y = 4 (the answer is 4)
we use this for the equation:
x = 4 +3*4
x = 16
John is 16 years old and Mike is 4 years old :)