By: Savana Bixler Solving Equations.

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Presentation transcript:

By: Savana Bixler Solving Equations

One step (subtraction) 1) Subtract 5 from both sides x+5=20 -5=-5 x=15

One step (addition) addition Z-25=12 +25=+25 Z=37 Add 25 to both sides

One step (division) Division: 3x=6 3=3 X=2 Divide by 3 on both sides

One step (multiplication) *6 (x/6)=5 *6 X=30 Multiply 6

Two step (addition, division) Addition and division: 3x-2=7 +2=+2 3x=9 3=3 X=3 Add 2 to both sides. Divide by 3 on both sides.

Two step (subtraction, division) Subtraction and division: 3x+2=14 -2=-2 3x=12 3=3 X=4 Subtract 2 from both sides Divide by 3 on both sides

Two step (addition, multiplication) Addition and multiplication: z/2-6=8 +6=+6 *2 z/2=14 *2 Z=28 Add 6 to both sides Multiply 2 on both sides

Two step (addition, multiplication) Addition and multiplication: z/4-2=6 +2=+2 *4 z/4=8 *4 Z=32 Add 2 to both sides Multiply 4 on both sides

Multi-step equation (two variables-same sides) 2x+5x=49 7x=49 7 X=7 Combine like terms Divide by 7 on both sides

Multi-step equation (two variables-different sides) Get your variables on the same sides by subtracting 2x from both sides Add 5 to both sides Divide both sides by 3 7x-5=4x+8 -4x -4x 3x=13 3=3 X=4.333

Multi-step equations (using distributive property) Distribute the 2 from the out side of the parenthesis Subtract 6 from both sides Divide both sides by 3 3(x+4)=9 3x+12=9 -12=-12 3x=-3 3=3 X=-1