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Q: What is 5y plus 2z plus 2 plus 8y plus z plus 6 equals?

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6x plus 3y minus 2x plus 5y equals 4x plus 8y.

(2, 3)

y=4

3y+5.2=2-5y 8y=-3.2 y= -0.4

Y=30

7 + 8y - 3y + 2 =7 + 2 + 8y - 3y = 9 + 8y - 3y = 9 + 5y

12x-8y

x - 5y = -4 x + 8y = -4 The first equation gives x = 5y - 4 SUBSTITUTE this value for x in the second equation: (5y - 4) + 8y = -4 Simplify: 13y = 0 so that y = 0 Then x = 5y - 4 gives x = -4

3x - 8y + 2x - 5 - 5y = 5x -13y - 5

8y-3x

you can't add 2 +5y because the don't have the same variable.for example:5y+3+8y=13y+3you only add the ones that have the same variable.

5y - 4 + 3y = 12 Combine like terms: 8y - 4 = 12 Add 4 to both sides: 8y = 16 Divide both sides by 8: y = 2

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