4x-8x5=20解方程？

4x-8x5\u4e8c20\u600e\u4e48\u89e3\u65b9\u7a0b\uff1f

4x-8*5=20
4x-40=20
4x=20+40
4x=60
x=60/4
x=15
\u68c0\u9a8c\uff1a4*15-8*5=20

\u89e3\uff1a\u89e3\u65b9\u7a0b\uff0c\u6b64\u65b9\u7a0b\u7684\u89e3\u4e3ax = 15
4x - 8 x 5 = 20

4x - 40 = 20
4x = 20 + 40
4x = 60
x = 60 \u00f7 4
x = 60 \u00d7 1/4
x = 60/4
\u2234x = 15
\u7b54\uff1a\u6b64\u65b9\u7a0b\u7684\u89e3\u4e3ax = 15

4x-8×5=20
解：4x=60
x=15

4x-8X5=20
4x=20+40
x=60÷4
x=15

4x-8X5=204
x=20+40
x=60÷4x
=15

4x-40=20
4x=20+40
4x=60
x=15

4x=20+40
x=60÷4
x=15

4x-8x5=20瑙ｆ柟绋?
绛旓細1锛4x锛8脳5=20 瑙:4x=20+40 4x=60 x=15 2锛4x锛30脳0.5=20 瑙:4x=15+20 4x=35 x=8.75

4x-8x5=20瑙ｆ柟绋?
绛旓細4x - 8 x 5 = 20 4x - 40 = 20 4x = 20 + 40 4x = 60 x = 60 梅 4 x = 60 脳 1/4 x = 60/4 鈭磝 = 15 绛旓細姝鏂圭▼鐨勮В涓簒 = 15

4x-8x5=20瑙ｆ柟绋?
绛旓細4x-8脳5=20 瑙ｏ細4x=60 x=15

瑙ｆ柟绋 銆 4X-8x5=20
绛旓細4x锛8脳5锛20 4x锛40锛20 4x锛20锛40 4x锛60 x锛15

4x-8脳5 =20鎬庝箞瑙ｆ柟绋?
绛旓細瑙ｏ細4X=20+8脳5 4X=60 X=60梅4 X=15

4x-8x5浜20鎬庝箞瑙ｆ柟绋
绛旓細4x=20+40 4x=60 x=15

4x-8x5=20
绛旓細4x-8脳5=20 瑙锛4x-40=20 4x=20+40 4x=60 x=60梅4 x=15

4x鍑8涔樹簲绛変簬浜屽崄瑙ｆ柟绋
绛旓細瑙:锛4x-8锛壝5=20 4x-8=20梅5 4x-8=4 4x=12 x=3

瑙ｆ柟绋:1.5x-x=1,18脳2+3x=60,4x-8脳5=20,5x-10=150,0.2脳
绛旓細-8x5=20 ===>>60-40=20 ===>> 20=20 5x-10=150 5x-10=150 5x-10+10=150+10 5x=160 x=32 妫楠岋細5锛32锛-10=150===銆嬨160-10=150===銆嬨150=150 0.2脳+0.2x=5 0.4x=5 x=12.5 妫楠岋細0.2x+0.2x=5===>>0.2(12.5)+0.2(12.5)=5 ===>>> 5=5 ...

鏂圭▼8X=4X鍔20鎬庝箞瑙
绛旓細8x=4x+20 涓よ竟鍚屾椂鍑忓幓4x 4x=20 涓よ竟鍚屾椂闄や互4 x=5