Answer:
x = -2
Step-by-step explanation:
5x + 2(x - 4) = 5x + x - 10
First, we need to to multiply out the parathesis in the equation:
5x + 2(x - 4) = 5x + x - 10
5x + 2x - 8 = 5x + x - 10
Next, we can combine "like terms" to simplify the equation further:
5x + 2x - 8 = 5x + x - 10
7x - 8 = 6x - 10
Now we can isolate the variable "x" to one side:
7x - 8 = 6x - 10
x - 8 = -10
x = -2
To check our work, we can replace x with -2 in our original equation:
5x + 2(x - 4) = 5x + x - 10
5(-2) + 2 (-2 - 4) = 5(-2) + -2 - 10
-10 + 2 (-6) = -10 -2 - 10
-22 = -22
I hope this helps!
-TheBusinessMan
Hey there!
<u>Solve </u><u>the </u><u>equation </u><u>:</u>
x = 2 ✅
7x + 8 = -5x + 32
<em>></em><em>></em><em> </em><em>Su</em><em>bstract </em><em>8</em><em> </em><em>from </em><em>e</em><em>ach </em><em>side </em><em>:</em>
7x + 8 - 8 = -5x + 32 - 8
7x = -5x + 24
<em>></em><em>></em><em> </em><em>Add </em><em>5</em><em>x</em><em> </em><em>to </em><em>both </em><em>sides </em><em>:</em>
7x + 5x = -5x + 24 + 5x
12x = 24
<em>></em><em>></em><em> </em><em>Divide </em><em>both </em><em>sides </em><em>by </em><em>1</em><em>2</em><em> </em><em>:</em>
12x / 12 = 24 / 12
x = 2
Therefore, your answer is x = 2
More about equations:
brainly.com/question/12058678
brainly.com/question/27460957
Have a good day ;)
Mumber of mints=x
Number of packs of chewing gum=x+1
Number of chocolate bars=y
The number of mints was three times the number of chocolate bars; then
x=3y
We can suggest this system of equations:
x=3y
6(x+1)+3x+10y=80
we can solve this system of equations by substitution method.
6(3y+1)+3(3y)+10y=80
18y+6+9y+10y=80
18y+9y+10y=80-6
37y=74
y=74/37
y=2
x=3y
x=3*(2)=6
Number of mints=x=6
number of packs of chewing gum=x+1=6+1=7
number of chocolate bars=y=2
Answer: the number of mints is 6, the number of packs of chewing gum is 7, and the number of chocolate bars is 2.
Answer:
-3
Step-by-step explanation:
y=3xy and subtract y on both sides that gives u -1 and then you have -1=3x and then divide 3 on both sides you are left with -3 =x
