a - b = 153a - 2b = 62a² + b² = ?
Eliminasi b
a - b = 15 2a - 2b = 30 2a - 2b = 30 3a - 2b = 62 3a - 2b = 62 3a - 2b = 62 -------------------- + ---> EDIT ------------------ - 5a = 92 -a = -32 a = 18,4 a = 32
a - b = 15 a-b = 1518,4 - b = 15 32 - b = 153,4 = b b = 17
a² + b² = (18,4)² + (3,4)² = 338,56 - 11,56 = 327 a² + b² = (32)² + (17)² 1024 + 289 = 1313
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3x-2y=62 |x1| ==>3x-2y=62
________________________-
y=17
x-17=15
x=15+17 = 32
x^2=32.32=1024
y^2 = 17.17 = 289
a - b = 15
3a - 2b = 62
a² + b² = ?
Eliminasi b
a - b = 15 2a - 2b = 30 2a - 2b = 30
3a - 2b = 62 3a - 2b = 62 3a - 2b = 62
-------------------- + ---> EDIT ------------------ -
5a = 92 -a = -32
a = 18,4 a = 32
a - b = 15 a-b = 15
18,4 - b = 15 32 - b = 15
3,4 = b b = 17
a² + b² = (18,4)² + (3,4)² = 338,56 - 11,56 = 327 a² + b² = (32)² + (17)²
1024 + 289 = 1313