-8a - 6 = 10
Add 8a to each side:
-6 = 8a + 10
Subtract 10 from each side:
-16 = 8a
Divide each side by 8:
-2 = a
In order to make the original statement true, ' a ' must be -2.
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8a - 15 = -3 8a = 15 - 3 8a = 12 a = 12/8 = 6/4 = 3/2
If 8a = 40 then a must = 5So: 2*5-4 = 6
11a-3a =8a so 8a+9=-7 8a = -16 a=-2
-8a + 6a + 7 = 1 -2a = 1 - 7 -2a = -6 a = 6/2 a = 3 Check: -8(3) + 6(3) + 7 = 1 -24 + 18 + 7 = 1 1 = 1
2a + 21 = 8a - 9Add 9 to each side:2a + 30 = 8aSubtract 2a from each side:30 = 6aDivide each side by 6:5 = a