2x - 7 = 29
Since it says 'seven less than', it means that it is subtracting but the 7 is after what comes next in the sentence. 'Two times a number' would symbolize a 2 and a number for x: 2x. 'Is 29' would mean 'equal 29', so it's written like: = 29. Therefore, the equation that will represent it will be: 2x - 7 = 29.
Answer:
y=2x-2
Step-by-step explanation:
first, let's put the line into y=mx+b form (slope-intercept form), where m is the slope (or gradient) and b is the y intercept
add 5 to both sides
x+2y=5
subtract x from both sides
2y=-x+5
divide by 2
y=-1/2x+5/2
perpendicular lines have slopes (gradients) that are negative (one is positive, another one is negative) and reciprocal (they are essentially the same number, just "flipped")
to find the slope of I2:
since -1/2 is negative, that means the slope of I2 will be 2 (2/1 is the reciprocal of 1/2 (positive version of -1/2))
so here's our equation so far:
y=2x+b
now we need to find b
because line will pass through (3,4), we can use it to solve for b
substitute 4 as y and 3 as x
4=2(3)+b
multiply
4=6+b
-2=b
therefore the equation is y=2x-2
hope this helps!!
<h2>
Rewriting Words as Equations</h2>
To rewrite a word equation as a numerical equation, we can recognize certain keywords and change them into numbers or operations.
- <em>twice</em> = multiply by 2
- <em>difference</em> = subtract
- <em>'a number'</em> = let this be <em>x</em>
- <em>is</em> = equals
<h2>Solving the Question</h2>
We're given:
- Twice the difference of a number and 6 is 5
⇒ twice = (2 ×)
⇒ difference of a number and 6 = (x - 6)
⇒ is 5 = ( = 5)
To solve for <em>x</em>, isolate the variable:
2(x-6) = 5
2x-12 = 5
2x = 17
x =
<h2>Answer</h2>
Let, the total ride = x
It would be: x * 8% = 4
= x * 0.08 = 4
= x = 4 / 0.08
= x = 50
In short, Your Answer would be 50
Hope this helps!
Answer:
x=4.75
Step-by-step explanation:
16(4x-3)=8(2x+4)
16*4x-3=8*2x+4
-2x -2x
16*2x-3=8*4
multiply 8*4=32
16*4x-3=32
-16 -16
4x-3=16
+3 +3
4x=19
divide 4 by both sides
x=4.75