exam Maths Puzzle Numerical Ability

Find the point of intersection:
x+2y-1=0 and 2x+y+1=0

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exam Other Question

a piggy abnk has 1.050 in coin change. figure out which coins are n the bank if u know that you cannot change a nickel, a dime, a quarter, a half dollar and a dollar. and none of the coins is a dollar Please help w/ the following: Thank you

Find all real solutions of the following equation:

log base 4^x + log base 4(x + 60)= 4