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Answer:
Step-by-step explanation:
w+ -4 2/5= 1/10
W = 1/10 + 4 2/5
W = 1/10 + 22/5
W = (1 + 44)/10
W = 45/10
W = 9/2
W = 4 1/2
Answer:
-50
Step-by-step explanation:
7(3 – 2w) + 2 - 3 where w = 5
21-14w+2-3= -50
4x - 5y = -12
-x + 5y = 18
Add the equations together:
4x + -x = 3x
-5y + 5y = 0
-12 + 18 = 6
So now you have:
3x = 6
Divide both sides by 3:
X = 2
Now you have the value of x, replace x with 2 in one of the equations and solve for y:
4(2) -5y = -12
8 -5y = -12
Subtract 8 from both sides:
-5y = -20
Divide both sides by -5:
Y = 4
The solution is x = 2 and y = 4 which is written as (2,4)