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Charra [1.4K]
3 years ago
12

Find n solve. 5n+3+4n=30

Mathematics
1 answer:
Sidana [21]3 years ago
3 0

5n + 3 + 4n = 30                     combine the like terms on the left

9n + 3 = 30                              Subtract 3 from both sides

9n = 30 - 3

9n = 27                                     Divide by 9

n = 27/9

n = 3

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<em>So</em><em>,</em><em> </em><em>changes</em><em> </em><em>the</em><em> </em><em><u>times</u></em><em><u> </u></em><em><u>symbol</u></em><em> </em><em>into</em><em> </em><em><u>divide</u></em>

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Check!

Red ribbon=Blue ribbon × 5

11m=Blue ribbon × 5

11m÷5=Blue ribbon

2.2m=Blue ribbon

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