Solve 8x + 7 = 95
The solution of 8x + 7 = 95 is x = 11.
How to work it out
- 1
The goal is to get x alone. Undo the operations in the opposite order: first the addition, then the multiplication.
- 2
Subtract 7 from both sides:
- 3
Divide both sides by 8:
- 4
Check: put x = 11 back into the equation.
LaTeX source of the formulas on this page
\[ 8x + 7 = 95\ \Rightarrow\ x = 11 \]
\[ 8x + 7 = 95 \]
\[ 8x + 7 - 7 = 95 - 7 \ \Rightarrow\ 8x = 88 \]
\[ \frac{8x}{8} = \frac{88}{8} \ \Rightarrow\ x = 11 \]
\[ 8\cdot11 + 7 = 88 + 7 = 95 \checkmark \]Trying values of x in 8x + 7 = 95
| x | 8x + 7 | Equals 95? |
|---|---|---|
| 9 | 79 | no |
| 10 | 87 | no |
| 11 | 95 | yes |
| 12 | 103 | no |
| 13 | 111 | no |
Questions
What is x in 8x + 7 = 95?
The solution of 8x + 7 = 95 is x = 11.
How do you solve 8x + 7 = 95?
Subtract 7 from both sides to get 8x = 88, then divide both sides by 8 to get x = 11.
How do I check the answer?
Replace x by 11: 8(11) + 7 = 95, which is 95.