Answer:y+7x=8
Step-by-step explanation:y=-7x+8
7x needs to be on the variable side
y+7x=8
2100000000000000000000000000000000000000000000000000000000000000000
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https://youtu.be/WaeD3qKc7Jc
The answer is 1.2 b/c you have to solve x by simplifying both sides of the equation and isolating the variable.
0.45 = 45/100
45/100 = 9/20 (Simplified)