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Solve 7x + 10 = 73

The solution of 7x + 10 = 73 is x = 9.

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The lines y = 7x + 10 and y = 73 meet at x = 9468101214406080100120x = 9y = 7x + 10y = 73
The lines y = 7x + 10 and y = 73 meet at x = 9. 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.

    7x+10=737x + 10 = 73
  2. 2

    Subtract 10 from both sides:

    7x+10−10=73−10 ⇒ 7x=637x + 10 - 10 = 73 - 10 \ \Rightarrow\ 7x = 63
  3. 3

    Divide both sides by 7:

    7x7=637 ⇒ x=9\frac{7x}{7} = \frac{63}{7} \ \Rightarrow\ x = 9
  4. 4

    Check: put x = 9 back into the equation.

    7⋅9+10=63+10=73✓7\cdot9 + 10 = 63 + 10 = 73 \checkmark
LaTeX source of the formulas on this page
\[ 7x + 10 = 73\ \Rightarrow\ x = 9 \]
\[ 7x + 10 = 73 \]
\[ 7x + 10 - 10 = 73 - 10 \ \Rightarrow\ 7x = 63 \]
\[ \frac{7x}{7} = \frac{63}{7} \ \Rightarrow\ x = 9 \]
\[ 7\cdot9 + 10 = 63 + 10 = 73 \checkmark \]

Trying values of x in 7x + 10 = 73

x7x + 10Equals 73?
759no
866no
973yes
1080no
1187no

Questions

What is x in 7x + 10 = 73?

The solution of 7x + 10 = 73 is x = 9.

How do you solve 7x + 10 = 73?

Subtract 10 from both sides to get 7x = 63, then divide both sides by 7 to get x = 9.

How do I check the answer?

Replace x by 9: 7(9) + 10 = 73, which is 73.

Similar equations

    Solve 7x + 10 = 73: x = 9 (steps and check) | WordGPT