One-Step Equations
Do the same thing to both sides: the balance stays level and x stands alone
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Do the same thing to both sides: the balance stays level and x stands alone
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An equation is a balanced scale: left equals right. To find x, the trick is to do the same thing to both sides — take away the same weights, add the same, group or bundle the same — so the balance always stays level, until x stands alone on one pan and the answer shows itself. Practice all four one-step types on this balance.
A balance holds x-boxes and weights on the left, weights on the right. Pick x, then watch the demo: remove the same weights from both pans until x stands alone.