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10-11-2020
Mathematics

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solve the inequality
[tex]2(5c-7)\geq 10(c-3)[/tex]

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beatriz152020 beatriz152020

10-11-2020

1 Remove parentheses.

2(5c−7)≥c−3

2 Expand.
10c−14 ≥ c −3

3 Add 14 to both sides.
10c-14+14≥ c − 3+14

4 Simplify c−3+14 to c+11
10c≥c+11

5 Subtract c from both sides.

10c−c≥11

6 Simplify 10c−c to 9c
9c≥11

7 Divide both sides by 9.
c ≥11/9

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