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Introduction to the Distributive Property (Variables) - YouTube YouTube Start of suggested clip End of suggested clip So distributing we have four times x. And then minus four times three. Four times x is four x fourMoreSo distributing we have four times x. And then minus four times three. Four times x is four x four times three is twelve the expression simplifies to four x minus twelve.

To 'undo' these operations and get back to x , we must apply the sequence: subtract 1 , then divide by 2 . Start with x and follow the arrows in the diagram below. This shows you doing something, and then undoing it, to return to x !

Algebraic distribution means to multiply each of the terms within the parentheses by another term that is outside the parentheses.

Solving Linear Equations with Distribution - YouTube YouTube Start of suggested clip End of suggested clip The 5 throughout the bracket. So it has to go to each one that's all it means so 5 times 2x 5 timesMoreThe 5 throughout the bracket. So it has to go to each one that's all it means so 5 times 2x 5 times 1 and that's going to give you 10 X plus 5.

REV.1 Solve by Undoing Method - YouTube YouTube Start of suggested clip End of suggested clip Problem when you're using your order of operations you do the work inside the parentheses firstMoreProblem when you're using your order of operations you do the work inside the parentheses first whatever those that work might be then you take care of the exponent. Then you do the multiplication.

Solving Systems of Two Equations and Two Unknowns - YouTube YouTube Start of suggested clip End of suggested clip The first technique we will look at is called substitution. Say we have these two equations 2x. PlusMoreThe first technique we will look at is called substitution. Say we have these two equations 2x. Plus y equals 4. And X plus 2y equals.

Solving Variables on Both Sides of the Equation Combine like Terms (add things that have the same variable) Distribute when needed (multiply each of the things inside the parentheses) Add the additive inverse of terms to both sides. Multiply by the multiplicative inverse to both sides.