Solve for x.
1.) 7x + 20 = 1021
2.) 12n - 20 = 148
3.) 6y + 9 = 81
4.) 5a + 13 = 418
5.) 6c - 5 = 85
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Solve for x.
1.) 7x + 20 = 1021
2.) 12n - 20 = 148
3.) 6y + 9 = 81
4.) 5a + 13 = 418
5.) 6c - 5 = 85
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1. x = 143
2. n = 14
3. y = 12
4. a = 81
5. c = 15
Solution:
1.) 7x + 20 = 1021
7x = 1021 - 20
7x = 1001/7
x = 143
2.) 12n - 20 = 148
12n = 148 + 20
12n = 168 /12
n = 14
3.) 6y + 9 = 81
6y = 81 - 9
6y = 72/6
y = 12
4.) 81
5a + 13 = 418
5a = 405/5
a = 81
5.) 6c - 5 = 85
6c = 85 + 5
6c = 90
c = 15
Solve for x.
1.) 143
7x + 20 = 1021
7x = 1021 - 20
7x = 1001/7
x = 143
2.) 14
12n - 20 = 148
12n = 148 + 20
12n = 168 /12
n = 14
3.) 12
6y + 9 = 81
6y = 81 - 9
6y = 72/6
y = 12
4.) 81
5a + 13 = 418
5a = 418 - 13
5a = 405/5
a = 81
5.) 15
6c - 5 = 85
6c = 85 + 5
6c = 90
c = 15