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Solve 10x + 3 = 93

The solution of 10x + 3 = 93 is x = 9.

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The lines y = 10x + 3 and y = 93 meet at x = 9468101214406080100120140160x = 9y = 10x + 3y = 93
The lines y = 10x + 3 and y = 93 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.

    10x+3=9310x + 3 = 93
  2. 2

    Subtract 3 from both sides:

    10x+3−3=93−3 ⇒ 10x=9010x + 3 - 3 = 93 - 3 \ \Rightarrow\ 10x = 90
  3. 3

    Divide both sides by 10:

    10x10=9010 ⇒ x=9\frac{10x}{10} = \frac{90}{10} \ \Rightarrow\ x = 9
  4. 4

    Check: put x = 9 back into the equation.

    10⋅9+3=90+3=93✓10\cdot9 + 3 = 90 + 3 = 93 \checkmark
LaTeX source of the formulas on this page
\[ 10x + 3 = 93\ \Rightarrow\ x = 9 \]
\[ 10x + 3 = 93 \]
\[ 10x + 3 - 3 = 93 - 3 \ \Rightarrow\ 10x = 90 \]
\[ \frac{10x}{10} = \frac{90}{10} \ \Rightarrow\ x = 9 \]
\[ 10\cdot9 + 3 = 90 + 3 = 93 \checkmark \]

Trying values of x in 10x + 3 = 93

x10x + 3Equals 93?
773no
883no
993yes
10103no
11113no

Questions

What is x in 10x + 3 = 93?

The solution of 10x + 3 = 93 is x = 9.

How do you solve 10x + 3 = 93?

Subtract 3 from both sides to get 10x = 90, then divide both sides by 10 to get x = 9.

How do I check the answer?

Replace x by 9: 10(9) + 3 = 93, which is 93.

Similar equations

    Solve 10x + 3 = 93: x = 9 (steps and check) | WordGPT