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omar2334
21.07.2019 •
Mathematics
How many solutions are in the equation -(4x+7)= - 2+4x
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Ответ:
-(4x + 7) = -2 + 4x
We're trying to solve for "x," so let's first simplify this equation.
**Remember : a negative times a positive is a negative!**
-4x - 28 = -2 + 4x
Now, we need to get "x" onto its own side of the equal sign.
So, let's add 28 to both sides.
-4x - 28 (+28) = -2 + 4x (+28)
Simplify.
-4x = 4x + (28 - 2)
Then, subtract 4x from both sides.
-4x - 4x = (28 - 2)
Simplify!
-8x = 26
Divide both sides by -8.
-8x ÷ -8 = 28 ÷ -8
Simplify.
x = -28/8
Simplify.
x = -14/4
Simplify again.
x = -7/2
So, because x has a solution, this particular equation only has 1 solution!
~Hope I helped~
Ответ:
1.6
Step-by-step explanation:
divided 22% and 15%