Which percent is equivalent to 7/20? a- 28% b- 7% c- 35% d- 27%
1 answer:
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Answer:
Step-by-step explanation:
Given:
To solve this equation, we need to isolate on one side of the equation algebraically. I see that we have like terms, but they are on opposite sides of the equal sign. Let's add
to both sides.
To isolate x, divide both sides by 7.
Answer:
Step-by-step explanation:
5x4+20x3-105x2
5x2( x^2 +4x -21)