Problem

일차방정식 $3-4(x-3)=7(2-x)-5$ 를 풀면? (1) $x=-6$ (2) $x=-4$ (3) $x=-2$ (4) $x=2$ (5) $x=4$

Solution

Step 1 :일차방정식 $3-4(x-3)=7(2-x)-5$ 를 풀면?

Step 2 :우선 방정식을 간단하게 만들고 x를 풀어야 합니다.

Step 3 :방정식을 확장하고 유사한 항을 결합합니다.

Step 4 :$3-4(x-3)=7(2-x)-5$

Step 5 :$3-4x+12=14-7x-5$

Step 6 :$-4x+15=-7x+9$

Step 7 :$3x=-6$

Step 8 :\(x = \frac{-6}{3}\)

Step 9 :\(\boxed{x=-2}\)

From Solvely APP
Source: https://solvelyapp.com/problems/15742/

Get free Solvely APP to solve your own problems!

solvely Solvely
Download