How do you solve 22= - 2s + 4?

1 Answer
Mar 5, 2018

s = 9

Explanation:

22=-2s+4

22color(red)(-4)=-2s color(red)(cancel(color(black)(+4)-4))

18/color(red)(2)=-color(red)((cancel(2)color(black)(s))/cancel(2)

color(red)(-)9 = color(red)(cancel( -color(black)(-))color(black)(s)

s = - 9

We can prove this by substituting the pronumeral for it's given value in the equation.

22=-2 xx - 9+4

22= 18 +4