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Alja [10]
3 years ago
10

HELP! 50 POINTS + BRAINLEIST 25 POINTS! Give that f(x)=2x =7 find x when f(x)=35

Mathematics
1 answer:
dimulka [17.4K]3 years ago
5 0

f(x)=2x+7\\\\f(x)=35\\\\\text{substitute}\\\\2x+7=35\qquad\text{subtract 7 from both sides}\\\\2x=28\qquad\text{divide both sides by 2}\\\\\boxed{x=14}

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