Q: How do you solve 4x plus 7-3x equals 15?

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depends what 'a' =

-0.5

Y=15/(2c+2x)

5x+y=-7 3x+y=15 8=D

(0,7)

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depends what 'a' =

-0.5

Y=15/(2c+2x)

15+b = 23 Subtract 15 from both sides b = 8

8x = 2x + 15 6x = 15 x = 15/6 = 2.5

5x+y=-7 3x+y=15 8=D

(0,7)

15 + n = 24 (subtract 15 from both sides) n = 9

In math problems without punctuation such as brackets, the standard convention in to solve from left to right. Therefore, you would solve the problem 15-3 times 4 plus nine like by three actions. 15-3 equals 12; 12 times 4 equals 48; 48 plus 9 equals 57.

80 = 3y + 2y + 4 + 1 75 = 5y 15 = y y = 15

If: 20x+5y = 15 Then: y = -4x+3

8x+39 = 2x-15 6x = -54 x = -9