Question

Solve: x + 3 = -x + 7 (5 points)

Answer 1

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

Answer 2

x = 2

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 = 2