2x-5=15-3x
1个回答
2x+3x=15+5
5x=20
x=4
相关问题
-3/5x^2-5x+15x^2-10x^3
(x^3)^5=-2^15·3^15,则x=()
(x^3)^5=2^15×3^15,x=?
先观察下列格式,(x+3)(x+5)=x^2+8x+15(x-3)(x-5)=x^2-8x+15(x+3)(x-5)=x
先观察下列格式,(x+3)(x+5)=x^2+8x+15(x-3)(x-5)=x^2-8x+15(x+3)(x-5)=x
(-5/12)x8/15x3/2x(-2/3)x0x(-1)= (-1)x(-5/4)x8/15x3/2x(-2/3)x
x-5/15
2x+(5-3x)=15-(7-5x)
5X-2(X-3)=15 X-3(2X+1)=6X-4(5-3X)
1.3x+5/2=2x-1/3 2.x-3/-5=3x+4/15