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Solve 7x + 7 = 35

The solution of 7x + 7 = 35 is x = 4.

The lines y = 7x + 7 and y = 35 meet at x = 4-224681020406080x = 4y = 7x + 7y = 35
The lines y = 7x + 7 and y = 35 meet at x = 4. 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+7=357x + 7 = 35
  2. 2

    Subtract 7 from both sides:

    7x+7−7=35−7 ⇒ 7x=287x + 7 - 7 = 35 - 7 \ \Rightarrow\ 7x = 28
  3. 3

    Divide both sides by 7:

    7x7=287 ⇒ x=4\frac{7x}{7} = \frac{28}{7} \ \Rightarrow\ x = 4
  4. 4

    Check: put x = 4 back into the equation.

    7⋅4+7=28+7=35✓7\cdot4 + 7 = 28 + 7 = 35 \checkmark
LaTeX source of the formulas on this page
\[ 7x + 7 = 35\ \Rightarrow\ x = 4 \]
\[ 7x + 7 = 35 \]
\[ 7x + 7 - 7 = 35 - 7 \ \Rightarrow\ 7x = 28 \]
\[ \frac{7x}{7} = \frac{28}{7} \ \Rightarrow\ x = 4 \]
\[ 7\cdot4 + 7 = 28 + 7 = 35 \checkmark \]

Trying values of x in 7x + 7 = 35

x7x + 7Equals 35?
221no
328no
435yes
542no
649no

Questions

What is x in 7x + 7 = 35?

The solution of 7x + 7 = 35 is x = 4.

How do you solve 7x + 7 = 35?

Subtract 7 from both sides to get 7x = 28, then divide both sides by 7 to get x = 4.

How do I check the answer?

Replace x by 4: 7(4) + 7 = 35, which is 35.

Similar equations

    Solve 7x + 7 = 35: x = 4 (steps and check) | WordGPT