We can remove parenthesis if we change the sign of all terms in the second parenthesis (because we're subtracting it).
So, we have

And now we simply have to aggregate like terms:

Answer:
y= -7x+22/-4
Step-by-step explanation:
1st box: 2a (subtract 2a from both sides)
2nd box: 3 (add 3 to both sides)
3rd box: 10 (add 7+3)
4th and 5th box: 2 (divide both by 2)
6th box: 5 (10/2=5)
Answer:
Step-by-step explanation:
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Step-by-step explanation:
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