The solution of given equation is: -9
Step-by-step explanation:
Given equation is:
4x = -36
In order to solve these type of equations, we have to isolate the variable on one side of the equation
So in order to solve this equation, we have to divide both sides by 4
Hence,
The solution of given equation is: -9
Keywords: Linear equation, variables
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Answer: It depends if the weekends means that Saturday and Sunday each sold 761 tickets or that they sold 761 tickets put together. If they sold 761 tickets put together, then the answer is 39572. If Saturday and Sunday each sold 761 tickets, then the answer is 79144.
Answer: the sprinkling rate of the butler family's sprinkler is 40L per hour
the sprinkling rate of the Clark family's sprinkler is 20L per hour
Step-by-step explanation:
Let x represent the sprinkling rate of the butler family's sprinkler.
Let y represent the sprinkling rate of the Clark family's sprinkler.
The butler family's sprinklers was used for 40 hours. The Clark family's sprinkler was used for 30 hours. There was a combined total output of 2200L of water. This means that
40x + 30y = 2200 - - - - - - - - - - -1
if the sum of the two rates was 60l per hour, it means that
x + y = 60
Substituting x = 60 - y into equation 1, it becomes
40(60 - y) + 30y = 2200
2400 - 40y + 30y = 2200
- 40y + 30y = 2200 - 2400
- 10y = - 200
y = - 200/ - 10
y = 20
Substituting y = 20 into x = 60 - y, it becomes
x = 60 - 20 = 40
7 year
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