Question

Solve the equation 4x - 6 = x + 3. Check your solution.

Answer 1

,
$4x - 6 = x + 3$

$4x - x = 3 + 6$

3x = 9

Divide by 3

x = 3

Answer 2

4x - 6 = x + 3

Subtract x from each side
4x−6−x=x+3−x
3x−6=3

Add 6 to each side
3x−6+6=3+6
3x=9

Divide each side by 3
3x ÷ 3 = 9 ÷ 3
x = 3
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Checking work....

Substitute 3 for x in the equation and solve
4(3)- 6 = (3) + 3
12 - 6 = 3 + 3
6 = 6
This is true, so 3 is x