Use Cramers Method to solve c+p=25 and 4c + 3p = 84
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Use Cramers method to solve:
c + p = 25
4c + 3p = 84
Check Format
Equation 1 is in the correct format.
Check Format
Equation 2 is in the correct format.
Set up standards equations
Standard equation 1 = ax + by = c and Standard equation 2 = dx + ey = f.
Find a, b, c in ax + by = c
c + p = 25
a = 1, b = 1, c = 25
Find d, e, f in dx + ey = f
4c + 3p = 84
d = 4, e = 3, f = 84
Step 1, calculate Delta (Δ):
Δ = a * e - b * d
Δ = (1 * 3) - (1 * 4)
Δ = 3 - 4
Δ = -1
Step 2, calculate the numerator for c
Numerator(c) = c * e - b * f
Numerator(c) = (25 * 3) - (1 * 84)
Numerator(c) = 75 - 84
Numerator(c) = -9
Step 3, calculate the numerator for p
Numerator(p) = a * f - c * d
Numerator(p) = (1 * 84) - (25 * 4)
Numerator(p) = 84 - 100
Numerator(p) = -16
Evaluate and solve:
c =
Numerator(c)
Δ
c =
-9
-1
c = 9
You have 2 free calculationss remaining
p =
Numerator(p)
Δ
p =
-16
-1
p = 16
You have 2 free calculationss remaining
What is the Answer?
p = 16
How does the Simultaneous Equations Calculator work?
Free Simultaneous Equations Calculator - Solves a system of simultaneous equations with 2 unknowns using the following 3 methods: 1) Substitution Method (Direct Substitution) 2) Elimination Method 3) Cramers Method or Cramers Rule
Pick any 3 of the methods to solve the systems of equations
2 equations 2 unknowns This calculator has 2 inputs.
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