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Solve 12x + 4 = 136

The solution of 12x + 4 = 136 is x = 11.

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The lines y = 12x + 4 and y = 136 meet at x = 1168101214166080100120140160180200220x = 11y = 12x + 4y = 136
The lines y = 12x + 4 and y = 136 meet at x = 11. 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.

    12x+4=13612x + 4 = 136
  2. 2

    Subtract 4 from both sides:

    12x+4−4=136−4 ⇒ 12x=13212x + 4 - 4 = 136 - 4 \ \Rightarrow\ 12x = 132
  3. 3

    Divide both sides by 12:

    12x12=13212 ⇒ x=11\frac{12x}{12} = \frac{132}{12} \ \Rightarrow\ x = 11
  4. 4

    Check: put x = 11 back into the equation.

    12⋅11+4=132+4=136✓12\cdot11 + 4 = 132 + 4 = 136 \checkmark
LaTeX source of the formulas on this page
\[ 12x + 4 = 136\ \Rightarrow\ x = 11 \]
\[ 12x + 4 = 136 \]
\[ 12x + 4 - 4 = 136 - 4 \ \Rightarrow\ 12x = 132 \]
\[ \frac{12x}{12} = \frac{132}{12} \ \Rightarrow\ x = 11 \]
\[ 12\cdot11 + 4 = 132 + 4 = 136 \checkmark \]

Trying values of x in 12x + 4 = 136

x12x + 4Equals 136?
9112no
10124no
11136yes
12148no
13160no

Questions

What is x in 12x + 4 = 136?

The solution of 12x + 4 = 136 is x = 11.

How do you solve 12x + 4 = 136?

Subtract 4 from both sides to get 12x = 132, then divide both sides by 12 to get x = 11.

How do I check the answer?

Replace x by 11: 12(11) + 4 = 136, which is 136.

Similar equations

    Solve 12x + 4 = 136: x = 11 (steps and check) | WordGPT