( x ) + 1789 + 9011 - 7819 = 90510 . calculate the value of x
"x + 1789 + 9011 - 7819 = 90510 = x + 1789 + 9011 = 90510 + 7819 = x + 10800 = 98329 = x = 98329 - 10800 = 87529 answer is c"
multiply(subtract(subtract(add(90510, 7819), 9011), 1789), divide(const_60, const_2))