Answer:
x+x+x+x = 4x
5x ≠ x+5
Step-by-step explanation:
x+x+x+x, there are 4 x's, which means they equal to 4x
5x means there are 5 x's, so 5x = x+x+x+x+x, not x+5.
Answer:
x=3or-1
Step-by-step explanation:
x-3 (5x-6)=3-10x
5x^2-15x-6x+18=3-10x
collect like terms
5x^2+18-3=15x+6x-10x
5x^2+15=11x
5x^2-11x+15=0
factorise
(x-3) (5x+5) =0
...... x=3 or -1
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Answer:
-1/7
Step-by-step explanation:
First you need to understand negative exponents. Baisically it means 1/the number to the positive power. For this problem, it's
1/(-7)^1
-7^1=-7
(-7)^-1=-1/7
Simply get rid of the alphabets you don't want and you have the answer. hope this helps. be sure to give me the brainliest answer
Answer:
Answer is B
Step-by-step explanation:
the prediction that 100 cars will on red is correct took the quiz!
