Answer:
a= 1
Explanation:
6a + 5a + 1 = 12
(-1) + 6a + 5a +1 = 12 -1
6a + 5a = 11
11a = 11
11a/11 = 11/11
a = 1
Subtract one to both side leaving a by itself.
6a + 5a = 12 - 1
Now simply by add or subtracting, multiply or dividing.
Divide 11 to both side leaving a = ?
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