Solving Equations

Front

Solve

Back

Use inverse of operations

SADMEP

(UNDO Subtract, Add, Divide, Multiply, Exponent, Parentheses)

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What does SADMEP stand for?

Back

SADMEP stands for Subtract, Add, Divide, Multiply, Exponent, Parentheses. It is the reverse order of operations used to solve equations.

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How do you isolate a variable in an equation?

Back

To isolate a variable, use the inverse operations in the reverse order of PEMDAS (SADMEP) to undo each operation step by step.

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Back

Undo 5 first because it's adding before we multiply by 4

This is because Subtraction and Addition goes first in SADMEP

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Back

Add 7 to both sides to undo the subtraction, following the SADMEP order.

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After undoing addition or subtraction in an equation, what is the next operation to undo according to SADMEP?

Back

After addition or subtraction, the next step is to undo division or multiplication, as per the SADMEP order.

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Literal Equations

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Equations that contain multiple variables

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Back

Subtract 2 from both sides to undo the addition, following the SADMEP order.

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Add 4 to both sides to undo the subtraction, following the SADMEP order.

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Add 3 to both sides to undo the subtraction, following the SADMEP order.