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Solve 6x + 6 = 90

The solution of 6x + 6 = 90 is x = 14.

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The lines y = 6x + 6 and y = 90 meet at x = 1481012141618205060708090100110120130x = 14y = 6x + 6y = 90
The lines y = 6x + 6 and y = 90 meet at x = 14. 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.

    6x+6=906x + 6 = 90
  2. 2

    Subtract 6 from both sides:

    6x+6−6=90−6 ⇒ 6x=846x + 6 - 6 = 90 - 6 \ \Rightarrow\ 6x = 84
  3. 3

    Divide both sides by 6:

    6x6=846 ⇒ x=14\frac{6x}{6} = \frac{84}{6} \ \Rightarrow\ x = 14
  4. 4

    Check: put x = 14 back into the equation.

    6⋅14+6=84+6=90✓6\cdot14 + 6 = 84 + 6 = 90 \checkmark
LaTeX source of the formulas on this page
\[ 6x + 6 = 90\ \Rightarrow\ x = 14 \]
\[ 6x + 6 = 90 \]
\[ 6x + 6 - 6 = 90 - 6 \ \Rightarrow\ 6x = 84 \]
\[ \frac{6x}{6} = \frac{84}{6} \ \Rightarrow\ x = 14 \]
\[ 6\cdot14 + 6 = 84 + 6 = 90 \checkmark \]

Trying values of x in 6x + 6 = 90

x6x + 6Equals 90?
1278no
1384no
1490yes
1596no
16102no

Questions

What is x in 6x + 6 = 90?

The solution of 6x + 6 = 90 is x = 14.

How do you solve 6x + 6 = 90?

Subtract 6 from both sides to get 6x = 84, then divide both sides by 6 to get x = 14.

How do I check the answer?

Replace x by 14: 6(14) + 6 = 90, which is 90.

Similar equations

    Solve 6x + 6 = 90: x = 14 (steps and check) | WordGPT