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Solve 5x + 7 = 92

The solution of 5x + 7 = 92 is x = 17.

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The lines y = 5x + 7 and y = 92 meet at x = 1712141618202260708090100110120x = 17y = 5x + 7y = 92
The lines y = 5x + 7 and y = 92 meet at x = 17. The solution of the equation is the x-coordinate of the point where the two sides are equal.

How to work it out

  1. 1

    The goal is to get x alone. Undo the operations in the opposite order: first the addition, then the multiplication.

    5x+7=925x + 7 = 92
  2. 2

    Subtract 7 from both sides:

    5x+7−7=92−7 ⇒ 5x=855x + 7 - 7 = 92 - 7 \ \Rightarrow\ 5x = 85
  3. 3

    Divide both sides by 5:

    5x5=855 ⇒ x=17\frac{5x}{5} = \frac{85}{5} \ \Rightarrow\ x = 17
  4. 4

    Check: put x = 17 back into the equation.

    5⋅17+7=85+7=92✓5\cdot17 + 7 = 85 + 7 = 92 \checkmark
LaTeX source of the formulas on this page
\[ 5x + 7 = 92\ \Rightarrow\ x = 17 \]
\[ 5x + 7 = 92 \]
\[ 5x + 7 - 7 = 92 - 7 \ \Rightarrow\ 5x = 85 \]
\[ \frac{5x}{5} = \frac{85}{5} \ \Rightarrow\ x = 17 \]
\[ 5\cdot17 + 7 = 85 + 7 = 92 \checkmark \]

Trying values of x in 5x + 7 = 92

x5x + 7Equals 92?
1582no
1687no
1792yes
1897no
19102no

Questions

What is x in 5x + 7 = 92?

The solution of 5x + 7 = 92 is x = 17.

How do you solve 5x + 7 = 92?

Subtract 7 from both sides to get 5x = 85, then divide both sides by 5 to get x = 17.

How do I check the answer?

Replace x by 17: 5(17) + 7 = 92, which is 92.

Similar equations

    Solve 5x + 7 = 92: x = 17 (steps and check) | WordGPT