Estimate the solution to the system of equations.
4x−2y=8

2x+y=2

x = 3/2

y = -1

Step-by-step explanation:

Elimination

4x - 2y = 8 | ×1 |

2x + y = 2 | ×2 |

4x - 2y = 8

4x + 2y = 4

--

-4y = 4

y = 4/-4

y = -1

Subsitution

2x + y = 2

2x + (-1) = 2

2x = 2 + 1

x = 3/2

+25 = x

step-by-step explanation:

here x is the hypotenuse of a right triangle whose legs are 7 and 24.   by the pythagorean theorem, 7² + 24² must equal x²:

x² = 49 + 576 = 625.   thus, x = +√625 = +25 = x

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