I'm given three equation to solve : each equation consist of x, y and z
2007-07-19 02:51:02 · 6 answers · asked by Raymond s 1 in Science & Mathematics ➔ Mathematics
Solving system of equations
Elimination by addition method
Substitution Method
Cramers Rule
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2007-07-19 03:41:42 · answer #1 · answered by SAMUEL D 7 · 0⤊ 0⤋
listed right here are some tricks. Substitution approach: use one equation to unravel for the two x or y and replace that answer into the different equation. hint: use the 2d equation to unravel for y and sub this into the 1st equation to unravel for x. removing approach: Multiply one or the two equations via a persevering with so as that when you vertically upload the two equations mutually between the words drops out, allowing you to unravel for the different term. hint: Multiply the 2d equation (the two aspects) via -4. Then upload the two equations mutually after which resolve for x. to unravel for y, multiply the 1st equation via 3 and the 2d equation via -2, upload the two mutually and do the algebra to discover y. incredibly, utilising the substitution approach would be much less stressful for this undertaking.
2016-11-09 21:25:53 · answer #2 · answered by ? 4 · 0⤊ 0⤋
Substitution,Elimination,Matrix inversion method,Cramer's rule,Using the rank of a matrix,Plotting the points on a graph
2007-07-19 05:46:26 · answer #3 · answered by davidcjo5 4 · 0⤊ 0⤋
Use Matrix 3x3 and find its inverse.
2007-07-19 02:56:07 · answer #4 · answered by cllau74 4 · 0⤊ 0⤋
Matrices, graphing
2007-07-19 02:56:24 · answer #5 · answered by leo 6 · 0⤊ 2⤋
Matrices or determinants.
2007-07-19 02:58:17 · answer #6 · answered by Anonymous · 0⤊ 0⤋