Diketahui persaman -5× +7= 2×+ 77,nilai dari x +8adalah
Jawaban Terkonfirmasi
– 5x + 7 = 2x + 77
– 5x – 2x = 77 – 7
– 7x = 70
x = – 10
Maka, x + 8
= ( – 10 ) + 8 = – 2
Semoga Membantu
-5× + 7 = 2× + 77
-5× – 2× = 77 – 7
-7× = 70
× = 70/-7
× = -10
× + 8 => – 10 + 8 = -2