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Solve 8x + 10 = 170

The solution of 8x + 10 = 170 is x = 20.

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The lines y = 8x + 10 and y = 170 meet at x = 2014161820222426120140160180200220x = 20y = 8x + 10y = 170
The lines y = 8x + 10 and y = 170 meet at x = 20. 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.

    8x+10=1708x + 10 = 170
  2. 2

    Subtract 10 from both sides:

    8x+10−10=170−10 ⇒ 8x=1608x + 10 - 10 = 170 - 10 \ \Rightarrow\ 8x = 160
  3. 3

    Divide both sides by 8:

    8x8=1608 ⇒ x=20\frac{8x}{8} = \frac{160}{8} \ \Rightarrow\ x = 20
  4. 4

    Check: put x = 20 back into the equation.

    8⋅20+10=160+10=170✓8\cdot20 + 10 = 160 + 10 = 170 \checkmark
LaTeX source of the formulas on this page
\[ 8x + 10 = 170\ \Rightarrow\ x = 20 \]
\[ 8x + 10 = 170 \]
\[ 8x + 10 - 10 = 170 - 10 \ \Rightarrow\ 8x = 160 \]
\[ \frac{8x}{8} = \frac{160}{8} \ \Rightarrow\ x = 20 \]
\[ 8\cdot20 + 10 = 160 + 10 = 170 \checkmark \]

Trying values of x in 8x + 10 = 170

x8x + 10Equals 170?
18154no
19162no
20170yes
21178no
22186no

Questions

What is x in 8x + 10 = 170?

The solution of 8x + 10 = 170 is x = 20.

How do you solve 8x + 10 = 170?

Subtract 10 from both sides to get 8x = 160, then divide both sides by 8 to get x = 20.

How do I check the answer?

Replace x by 20: 8(20) + 10 = 170, which is 170.

Similar equations

    Solve 8x + 10 = 170: x = 20 (steps and check) | WordGPT