Question 234869
Equation 1: {{{X+ (X+2) + (X+4) = 141}}}
Combine like terms.
{{{3X + 6 = 141}}} Subtract 6 from both sides
{{{3X = 135}}} Divide both sides by 3
{{{X = 45}}}
Then 45 + 2 = 47
& 45 + 4 = 49

45 + 47 + 49 = 141