1) 4x + 1 = 10 + x a) 4x + 1 + x = - 10 b) 4x - x = - 1 + 10 c) 4x + 1x = 10x + x 2) 4x - x = - 1 + 10 a) 3x = + 9 b) - 3x = - 9 c) - 3x = + 9 3) 3x = + 9 a) x = 3/9 = 1/3 b) x = 9/3 = 3 c) x = 3/3 = 1 4) Verifica. Se x=3, data l'equazione 4x + 1 = 10 + x a) 4 * (2) + 1 = 10 + 2 ---- 8 + 1 = 10 + 2 b) 4 * (3) + 1 = 10 + 3 ----- 10 + 1 = 10 + 3 c) 4 * (3) + 1 = 10 + 3 ------ 12 + 1 = 10 + 3 5) x + 5 - 2x = x + 9 a) x + 2x + x = + 5 + 9 b) x + 5x - 2x = x + 9x c) x - 2x - x = - 5 + 9 6) x - 2x - x = - 5 + 9 a) - 4x = - 14 b) - 2x = + 4 c) + 2x = - 4 7) - 2x = + 4 a) x = - 4/2 = -2 b) x = 2/4 = 1/2 c) x = 4/4 = 1 8) Verifica. Se x = -2, data l'equazione x + 5 - 2x = x + 9 a) 2 + 5 - 2 * (+ 2) = 2 + 9 -------- 7 - 4 = 2 + 9 b) 2 + 5 - 2 ( -2) = - 2 + 9 ------- 7 + 4 = 13 c) - 2 + 5 - 2 * (- 2) = -2 + 9 ------- + 3 + 4 = - 2 + 9

Equazioni

โดย
สั่งพิมพ์
ฝัง

ลีดเดอร์บอร์ด

สไตล์ภาพ

ตัวเลือก

สลับแม่แบบ

คืนค่าการบันทึกอัตโนมัติ: ใช่ไหม