find the following simple equations
1) 3x=18
2)5m÷3=10
3)-7m=21
4)4p+7=21
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Answer:
(1) 3x = 18
==≥ x = 18
3
==≥ x = 6
(2) 5m ÷ 3 = 10
==≥ 5m = 10 x 3
==≥ 5m = 30
==≥ m = 30
5
==≥ m = 6
(3) -7m = 21
==≥ m = 21
-7
==≥ m = -3
(4) 4p + 7 = 21
==≥ 4p = 21 - 7
==≥ 4p = 14
==≥ p = 14
4
==≥ p = 7
2
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