Calculate the solution to these simultaneous equations using the substitution method: (1)(1)4𝑡4t==𝑟+5r+5 (2)(2)𝑡−4𝑟t−4r==2020
Question
Solution 1
Sure, let's solve these equations step by step.
First, let's rewrite the first equation to express r in terms of t:
4t = r + 5
Subtract 5 from both sides to isolate r:
r = 4t - 5
Now, let's substitute r in the second equation with 4t - 5:
t - 4(4t - 5) = 20
Simplify the equation:
t - 16t + 2 Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study prob
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Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
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