Both expressions have the same value, $28$. $9x-2x=7x$
Work Step by Step
Evaluating $9x-2x$ when $x=4:$ $9(4)-2(4)=36-8=28$ Evaluating $7x$ when $x=4:$ $7(4)=28.$ Our observations: Both expressions have the same value, $28$. $9x-2x=7x$
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