2x - 5 = 15 two step equation

Question

Mathematics

Justine Noble

28 January, 16:36

2x - 5 = 15 two step equation

+5

Answers (2)

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Tomas Ruiz · Answer 1

x=10

Step-by-step explanation:

first, add 5 to both sides. the - 5 and + 5 cancel out, and 15 + 6 is 20. 2x=20. now divide 2 on both sides. the 2s cancel out and 20/2 is 10, so x=10.

Warren · Answer 2

x = 10

Step-by-step explanation:

collect like terms, so add 5 to both sides: 2x = 20

divide both sides by 2 to get the value of x: x = 10