3x+112=5x+100 what is the answer I don't get it
1 answer:
Reorder the terms 112 + 3x = 100 + 5x 112 + 3x + (-5x) = 100 + 5x + (-5x) Combine the like terms 5x + (-5x) = 0 112 + (-2x) = 100 + 0 112 + (-2x) = 100 112 + (-112) + (-2x) = 100 + (-112) Combine like terms again 112 + (-112) =0 0 + (-2x) = 100 + (-112) 100 + (-112) = (-112) = (-12) -2x = -12 -12 / -2 = 6 x = 6 <span>✓</span> Check your work 3 * 6 + 112 = 130 5 * 6 + 110 = 130 130 = 130 ✓
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Answer:
5/8
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Answer:
First step=13x+7x=18+42
Step-by-step explanation:
13x-42=18-7x
First step
It is to collect like terms of the equation
13x+7x=18+42
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8
Step-by-step explanation:
Take the total, 50.35, and subtract 19.95:
50.35 - 19.95 = 30.40
Now divide 30.40 by 3.80:
(30.4)/(3.8) = 8
Therefore, Tony bought 8 markers.