For this equation its the same as simplifying any other equation -Simplify both sides of the equation then isolate the variable- Easy then once you've do so the answer should be
x = [tex]\frac{7}{26\\}[/tex]
frist you want to combine like terms on both sides
step one: 25x+4x 3x+x
step two: 29x=4x +7 subtract 4x over to the other side
25X=7
step three divide both sides by 25
so the answer is x= [tex]\frac{7}{25}[/tex]