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Lena [83]
3 years ago
6

Do the equations 3x + 2y =7 and y= -x + 7 define the same line . plsssss help

Mathematics
2 answers:
Over [174]3 years ago
8 0

9514 1404 393

Answer:

  no

Step-by-step explanation:

When the second equation is put in standard form like the first equation is, then you can see they are different. They do not define the same line.

  3x +2y = 7

  x + y = 7 . . . . . second equation in standard form

stepan [7]3 years ago
6 0
They don’t define the same line
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Five times a number decreased by 18 minus 4 times the same number is -36. what is the number?
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(5x - 18) - 4x = -36

Let's solve your equation step-by-step.

5x − 18 − 4x = −36

Step 1: Simplify both sides of the equation.

5x − 18 − 4x = −36

5x + −18 + −4x = −36

(5x + −4x) + (−18) = −36 (Combine Like Terms):

x + −18 = −36

x − 18 = −36

Step 2: Add 18 to both sides.

x − 18 + 18 = −36 + 18

x = −18


Answer: ========> x = -18 is the number




Hope that helps!!!! : )


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