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vivado [14]
3 years ago
9

I need help with two step equations with one variable grade 7 3x-4=17

Mathematics
1 answer:
Pachacha [2.7K]3 years ago
3 0

Answer:

7

Step-by-step explanation:

3x-4=17

add 4 on both sides and you get 3x=21 then you divide 3 on both sides. you get x=7.

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Write the equation of the line in fully simplified slope-intercept form.
Bad White [126]

Answer:

y = -\frac{2}{5} x-6

Step-by-step explanation:

1) First, find the slope of the line. Use the slope formula m =\frac{y_2-y_1}{x_2-x_1}. Pick two points on the line and substitute their x and y values into the formula, then solve. I used the points (-5,-4) and (0,-6):

m = \frac{(-6)-(-4)}{(0)-(-5)} \\m = \frac{-6+4}{0+5} \\m = \frac{-2}{5} \\  

So, the slope of the line is -\frac{2}{5}.

2) Next, use the point-slope formula y-y_1 = m (x-x_1) to write the equation of the line in point-slope form. (From there, we can convert it to slope-intercept form.) Substitute values for the m, x_1 and y_1 into the formula.

Since m represents the slope, substitute -\frac{2}{5}  in its place. Since x_1 and y_1 represent the x and y values of one point on the line, pick any point on the line (any one is fine, it will equal the same thing at the end) and substitute its x and y values in those places. (I chose (0,-6), as seen below.) Then, with the resulting equation, isolate y to put the equation in slope-intercept form:

y-(-6) = -\frac{2}{5} (x-(0))\\y + 6 = -\frac{2}{5} x\\y = -\frac{2}{5} x-6

6 0
3 years ago
Write the decimal represented by the shaded square.
UkoKoshka [18]

Answer:

40\100= 4\10=0.4

8 0
3 years ago
Read 2 more answers
−3x−8y=−8 y=2−x ​ Is (0,1) a solution of the system?
zhenek [66]
No because (0,1) isn't a solution for both equations. It is for the first one, but not the second.


please vote my answer brainliest. thanks!
4 0
3 years ago
Solve.<br>17 + V3 + V98 – 118​
Paraphin [41]

Answer:

no solutions

Step-by-step explanation:

This is a not a equation

but I can simplify

v101-101

6 0
3 years ago
Students in at six grade class are raising money for end-of-the-year camping trip so far they have raise $240 this is 2/5 of the
spayn [35]

Answer:

96 $

Step-by-step explanation:

2

\frac{2}{5}

2

2 \times 240

480 \div 5

the answer is 96$

6 0
2 years ago
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