How to get following answers right using equations and calculator (no excel) 25.

Question

How to get following answers right using equations and calculator (no excel)

25.

Solve 24x + 6y + 30 = 0 for y

y = -5x + 4

y = 6x - 5

y = -9x - 5

y = -4x - 5

None of the above.

26.

If 21 + 4y - 4 = 4 + 16y - 24, what is y? (Solve for y as a decimal and record your answer rounded to 1 decimal place. Also, if y is a negative value, put a negative sign before your number with no space between the sign and the number).

Answer:

y = -5x + 4

y = 6x - 5

y = -9x - 5

y = -4x - 5

None of the above.

26.

If 21 + 4y - 4 = 4 + 16y - 24, what is y? (Solve for y as a decimal and record your answer rounded to 1 decimal place. Also, if y is a negative value, put a negative sign before your number with no space between the sign and the number).

Answer:

Explanation / Answer

25 24x+6y+30 = 0 6 y =-24x-30 y = -24x-30/6 y = -4x-5 The correct option is D. Y = -4x-5 26 21+4Y-4 = 4+16Y-24 17+ 4Y = -20+16Y 17+20 = 16Y-4Y 12Y = 37 Y = 37/12 3.083333

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