Question

Which of the following equations has a solution x = 4? Select all that apply.

0-2 (32 – 4) = -16
{(100 + 2) = 6
20 - 15x = 6 - 2 (4x + 7)
(90 - 12) +6 = -10

Answer 1

Answer: 1st and 3rd

Explanation:

Answer 2

and

Explanation:

Given

Required

Equations with
as a solution

Divide both sides by -2

Add 4 to both sides

Divide both sides by 3

Multiply both sides by 2

Subtract 2 from both sides

Divide both sides by 1

Open bracket

Collect like terms

Divide both sides by -7

Subtract 6 from both sides

Multiply both sides by 3

Add 12 to both sides

Divide both sides by 4

and
have
has a solution