Answer:
x = 2
Step-by-step explanation:
x + 3 = -x + 7
Add x to each side
x+x + 3 = -x+x + 7
2x+3 = 7
Subtract 3 from each side
2x = 7-3
2x = 4
Divide by 2
2x/2 = 4/2
X+3 = -x+7
-3. -3 subtract from each side
X. = -x+4
+× +x. Add to each side
2x. = 4
/2. /2 divide each side
X. =2
