WARM-UP. SYSTEMS OF EQUATIONS: ELIMINATION 1)Rewrite each equation in standard form, eliminating fraction coefficients. 2)If necessary, multiply one.

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Presentation transcript:

WARM-UP

SYSTEMS OF EQUATIONS: ELIMINATION

1)Rewrite each equation in standard form, eliminating fraction coefficients. 2)If necessary, multiply one or both equations by a number so that the coefficients of a chosen variable are opposites. 3)Add the equations. 4)Solve for the remaining variable from step 3. 5)Substitute the known variable into an original equation and solve for the remaining variable. 6)Check the proposed solution in the original equations. SOLVING A SYSTEM OF LINEAR EQUATIONS BY THE ELIMINATION METHOD

SOLVE USING ELIMINATION

WARM-UP

Day 2: Multiplying first SYSTEMS OF EQUATIONS: ELIMINATION

1)Rewrite each equation in standard form, eliminating fraction coefficients. 2)If necessary, multiply one or both equations by a number so that the coefficients of a chosen variable are opposites. 3)Add the equations. 4)Find the value of one variable by solving equation from step 3. 5)Find the value of the second variable by substituting the value found in step 4 into either original equation. 6)Check the proposed solution in the original equations. SOLVING A SYSTEM OF LINEAR EQUATIONS BY THE ELIMINATION METHOD

SOLVE USING ELIMINATION