Solve 6x ā 10 = ā70
The solution of 6x ā 10 = ā70 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 6:
- 4
Check: put x = -10 back into the equation.
LaTeX source of the formulas on this page
\[ 6x - 10 = -70\ \Rightarrow\ x = -10 \]
\[ 6x - 10 = -70 \]
\[ 6x - 10 + 10 = -70 + 10 \ \Rightarrow\ 6x = -60 \]
\[ \frac{6x}{6} = \frac{-60}{6} \ \Rightarrow\ x = -10 \]
\[ 6\cdot(-10) - 10 = -60 - 10 = -70 \checkmark \]Trying values of x in 6x ā 10 = ā70
| x | 6x ā 10 | Equals -70? |
|---|---|---|
| -12 | -82 | no |
| -11 | -76 | no |
| -10 | -70 | yes |
| -9 | -64 | no |
| -8 | -58 | no |
Questions
What is x in 6x ā 10 = ā70?
The solution of 6x ā 10 = ā70 is x = -10.
How do you solve 6x ā 10 = ā70?
Add 10 to both sides to get 6x = -60, then divide both sides by 6 to get x = -10.
How do I check the answer?
Replace x by -10: 6(-10) ā 10 = -70, which is -70.