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5 0

3 years ago

Y = x + 4 y = −2x − 2

miskamm [114]

Y = x + 4
y = -2x - 2

x + 4 = -2x - 2
x + 2x = -2 - 4
3x = -6
x = -6/3
x = -2

y = x + 4
y = -2 + 4
y = 2

solution is (-2,2)

7 0

3 years ago

Twice the sum of a number and 4.​

Twice the sum of a number and 4.