3. Find the solution to each equation mentally. a. 30+ a = 40 b. 500+ b = 200 C. -1+c= -2 d. d +3.567=0

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asked May 16, 2024 230k views

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3. Find the solution to each equation mentally.

a. 30+ a = 40
b. 500+ b = 200
C. -1+c= -2
d. d +3.567=0

Mathematics
college

Nickmilon asked

by Nickmilon

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Answer:

$a. \: 30 + a = 40 \\ a = 40 - 30 \\ a = 10 \\ b. \: 500 + b = 200 \\ b = 200 - 500 \\ b = - 300 \\ c. \: - 1 + c = - 2 \\ c = - 2 + 1 \\ c = - 1 \\ d. \: d +3.567=0 \\ d = 0 - 3.567 \\ d = - 3.567$

hope it helps:)

Zgcharley answered May 22, 2024

by Zgcharley

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