diazsindy
30.06.2021 •
Mathematics
Solve for P.
-1 + 14 p = -435
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Ответ:
P = -31
Step-by-step explanation:
-1 + 14p = -435
Remove the -1 by adding it from both sides.
14p = -434
Remove the 14 by dividing it from both sides.
p = -434/14
p = -31
Ответ:
y= -4
Step-by-step explanation:
In order to solve the given system of linear equations, you can perform a method for solving it. For example, the method of solving by substitution, which consists in solving one of the equations for one variable (in this case x or y) and then replace it in the other equation.
If you solve the first equation for variable x:
4x+5y= -12
Subtracting 5y in each side:
4x+5y-5y= -12 -5y
4x= -12-5y
Dividing by 4 in each side:
4x/4 = (-12-5y)/4
Replacing the value of x in the second equation -2x+3y = -16
Applying the distribution property:
Subtracting 6 in each side:
6 + -6 = -16 -6
Multiplying by in each side:
y = -4
If you want to find the value of x you have to replace the value of y in the first equation
4x+5(-4) = - 12
Therefore x=2