3x+4/2x+5=1 answer this question
Answers
Answered by
0
Answer:
Step-by-step explanation:
3x+4/2x+5=1
CALCULATIONS
3x+4/2x+5=1
3x+2x+5=1
(3x+2x)+(5–5)=1–5
5x+0=-4
5x=-4
5x/5=-4/5
x=-4/5
x=
-4/5
PROOF
If x=-4/5, then the equations
3x+4/2x+5=1
3(-4/5)+4/2(-4/5)+5=1
-12/5+2(-4/5)+5=1
-12/5+(-8/5)+5=1
-(12+8)/5+5=1
-20/5+5=1
-4+5=1 and
1=1 establish the root (zero) x=-4/5 of the equation 3x+4/2x+5=1
Answered by
0
Answer:
x=1
Step-by-step explanation:
3×X+4=7
2×X+5=7
7/7=1
Similar questions