Solve for a: 2a – 4b = 16
2a – 4b = 16
Move the -4b to the other side of = and change the - to +. It becomes
2a = 16 + 4b
Since you want to solve for a, divide both sides by 2. It now becomes
2a/2 = 16/2 + 4b/2. So the answer becomes.
a = 8 + 2b.
thank you for your help
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