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Sagot :
Answer:
x = 2
explanation:
-38-3x=-4(1+5x)
-38-3x=-4-20x
-38+4=-20x+3x
-34 = -17x
x = -34/-17
x = 2
Check:
-38 - 3x
-38 - 3*2
-44 ..............one side
-4(1+5x)
-4(1+5(2))
-4(1+10)
-4(11)
-44 ..............second side matches as well, so its definitely correct.
Answer:
x =
Step-by-step explanation:
-38 - 3x = -4 (1 + 5x)
first, remove the brackets, using distribution (-4 gets multiplied to what is in the brackets)
-38 - 3x = -4 - 20x
bring variables to one side (I prefer the right)
-38 - 3x + 3x = -4 - 20x + 3x
-38x = -4 - 17x (simplified)
bring numerical values to the opposite side
-38 + 4 = -4 + 4 - 17x
-34 = -17x (simplified)
divide both sides by -17 to isolate 'x', the negatives will cancel out
-34 = -17x
-17 -17
2 = x
Therefore x = 2
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