Calculate the solution to these simultaneous equations using the substitution method: (1)(1)𝑎a==𝑏+8b+8 (2)(2)𝑎+2𝑏a+2b==−7−7
Question
Solution 1
Sure, let's solve these equations step by step:
We have two equations here:
a = b + 8 ...(Equation 1)
a + 2b = -7 ...(Equation 2)
From Equation 1, we can express 'a' in terms of 'b'. It's already done for us: a = b + 8.
We substitute 'a' from Equation 1 into Equation 2:
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