Solving Linear Equations: Tutorial
Choose the justification for each step in the solution to the given equation.
Step
1
2
3
4
5
6
Statement
x - x - 7= -15
-2x - 7=-15
-2x = 7+7= -15 + 7
-
-2x = -8
3=3
z=4
given
Reason
Submit
←
4
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