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Q: What is the answer to y equals 2x plus 4 when x equals 42?

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x equals 4

If x=4 then 2x+7 =

It is: 38+4 = 42

2x + x + 4 +2x = x + 20 5x + 4 = x + 20 5x - x = 20 - 4 4x = 16 x = 4

2x + 5 = 13 2x = 8 2x/2 = 8/2 x=4

2x+4 = -16 2x = -16-4 2x = -20 x = -10

parallel

2x-4

x=-4

4+ X equals 2X. Subtract X from both sides. Four equals X

2x + 7 + 2x = 23 4x + 7 = 23 4x = 16 x = 16/4 x = 4

k

4 + x = 2x --> 4 = 2x - x --> 4 = x: x = 4

8

3x+56 = 2x+4 3x-2x = 4-56 x = -52

x = 0

4

(-2, 4)

(3, 1)

(4, -1)

(4, 5)

Do you need this equation factored or? 2x+3=x+4?

x=4

1

y=x+5