algebra
posted by chris .
simplify the expression by combining like terms
2x+5x+7+y3x+4y+2

x(2+53) + y(1+4) +7+9
can you take it from here? check me. 
is this it
16 + 4x + 5y = 0 
what is 42t/14z divided by 6/7t
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