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Prakalkulus Contoh
, ,
Langkah 1
Langkah 1.1
Tambahkan ke kedua sisi persamaan.
Langkah 1.2
Pindahkan .
Langkah 1.3
Susun kembali dan .
Langkah 1.4
Tambahkan ke kedua sisi persamaan.
Langkah 1.5
Tambahkan dan .
Langkah 1.6
Tambahkan ke kedua sisi persamaan.
Langkah 1.7
Pindahkan semua suku yang mengandung variabel ke sisi kiri dari persamaan.
Langkah 1.7.1
Kurangkan dari kedua sisi persamaan tersebut.
Langkah 1.7.2
Kurangkan dari kedua sisi persamaan tersebut.
Langkah 1.8
Tambahkan ke kedua sisi persamaan.
Langkah 1.9
Pindahkan .
Langkah 2
Write the system as a matrix.
Langkah 3
Langkah 3.1
Multiply each element of by to make the entry at a .
Langkah 3.1.1
Multiply each element of by to make the entry at a .
Langkah 3.1.2
Sederhanakan .
Langkah 3.2
Perform the row operation to make the entry at a .
Langkah 3.2.1
Perform the row operation to make the entry at a .
Langkah 3.2.2
Sederhanakan .
Langkah 3.3
Perform the row operation to make the entry at a .
Langkah 3.3.1
Perform the row operation to make the entry at a .
Langkah 3.3.2
Sederhanakan .
Langkah 3.4
Multiply each element of by to make the entry at a .
Langkah 3.4.1
Multiply each element of by to make the entry at a .
Langkah 3.4.2
Sederhanakan .
Langkah 3.5
Perform the row operation to make the entry at a .
Langkah 3.5.1
Perform the row operation to make the entry at a .
Langkah 3.5.2
Sederhanakan .
Langkah 3.6
Multiply each element of by to make the entry at a .
Langkah 3.6.1
Multiply each element of by to make the entry at a .
Langkah 3.6.2
Sederhanakan .
Langkah 3.7
Perform the row operation to make the entry at a .
Langkah 3.7.1
Perform the row operation to make the entry at a .
Langkah 3.7.2
Sederhanakan .
Langkah 3.8
Perform the row operation to make the entry at a .
Langkah 3.8.1
Perform the row operation to make the entry at a .
Langkah 3.8.2
Sederhanakan .
Langkah 3.9
Perform the row operation to make the entry at a .
Langkah 3.9.1
Perform the row operation to make the entry at a .
Langkah 3.9.2
Sederhanakan .
Langkah 4
Use the result matrix to declare the final solution to the system of equations.
Langkah 5
The solution is the set of ordered pairs that make the system true.