Solve 7x ā 10 = 60
The solution of 7x ā 10 = 60 is x = 10.
How to work it out
- 1
The goal is to get x alone. Undo the operations in the opposite order: first the subtraction, then the multiplication.
- 2
Add 10 to both sides:
- 3
Divide both sides by 7:
- 4
Check: put x = 10 back into the equation.
LaTeX source of the formulas on this page
\[ 7x - 10 = 60\ \Rightarrow\ x = 10 \]
\[ 7x - 10 = 60 \]
\[ 7x - 10 + 10 = 60 + 10 \ \Rightarrow\ 7x = 70 \]
\[ \frac{7x}{7} = \frac{70}{7} \ \Rightarrow\ x = 10 \]
\[ 7\cdot10 - 10 = 70 - 10 = 60 \checkmark \]Trying values of x in 7x ā 10 = 60
| x | 7x ā 10 | Equals 60? |
|---|---|---|
| 8 | 46 | no |
| 9 | 53 | no |
| 10 | 60 | yes |
| 11 | 67 | no |
| 12 | 74 | no |
Questions
What is x in 7x ā 10 = 60?
The solution of 7x ā 10 = 60 is x = 10.
How do you solve 7x ā 10 = 60?
Add 10 to both sides to get 7x = 70, then divide both sides by 7 to get x = 10.
How do I check the answer?
Replace x by 10: 7(10) ā 10 = 60, which is 60.