2 answers:
3x + (5+35x) = 3x -30
38x + 5 = 3x -30
38x = 3x -35
35x = -35
x = -1
Answer:-1
Step-by-step explanation:
3x+5(1+7x)=3x-30
Open bracket
3x+5+35x=3x-302
Collect like terms
3x+35x-3x=-30-5
35x=-35
Divide both sides by 35
35x÷35=-35÷35
X=-1
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