Which is a correct first step in solving 5 - 2x < 8x- 3?
1 answer:
Answer:
Step-by-step explanation:
Given:
The given inequality is:
The given inequality has variable 'x' on both sides of the inequality.
In order to solve such inequalities, we bring the variables on the same side as the first step in solving for 'x'.
Therefore, we could either add on both sides or add
both sides to bring the variable terms on same side.
If we add both sides, we get:
So, among all the given options, third option matches the above inequality.
Therefore, the first step in solving the given inequality is
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Answer:
75%
Step-by-step explanation:
as a percent = 75%, or 0.75 in decimal form.
So you want to solve for x?
It would be nice if this would easily factor:
(-4x + 5)(2x +1) = 0 This will not work!
So you need to use the quadratic formula:
a = -8, b = 4, c = 5
x = (-4 +/-
)/2(-8)
= (-4 +/-
)/-16
= (-4 +
)/-16
= 1/4 -
/4
It would be nice if this would easily factor:
(-4x + 5)(2x +1) = 0 This will not work!
So you need to use the quadratic formula:
a = -8, b = 4, c = 5
x = (-4 +/-
= (-4 +/-
= (-4 +
= 1/4 -