Answer:
x=10
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.
x = 10
collect like terms, so add 5 to both sides: 2x = 20
divide both sides by 2 to get the value of x: x = 10
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