Is my work for this question right?
Solve for x.
21 - 3x = 4x
Simplify your answer as much as possible.
21 - 3x = 4x
21 - 3x - 3x = 4x - 3x
21 = x - The Answer
21 + 3(21) = 4(21)
21 + 24 = 25
25 = 25 - True
Answers
Answered by
2
No you committed a mistake
see when you subtracted 3x from -3x its 6x so go by this ..
May be this can help youu..
Attachments:
Answered by
1
Given:
21 - 3x = 4x
When the terms are rearranged, -3x from L.H.S is moved to R.H.S it becomes +3x.
21 = 4x + 3x
21 = 7x
x = 21/7 = 3
Therefore x = 3 ——> Answer
21 - 3x = 4x
When the terms are rearranged, -3x from L.H.S is moved to R.H.S it becomes +3x.
21 = 4x + 3x
21 = 7x
x = 21/7 = 3
Therefore x = 3 ——> Answer
Similar questions