exam Maths Puzzle Numerical Ability

Please help me solve this problem

3^x+4=5^x-1

(x+4)log3=(x-1)log5

xlog3+4log3=xlog5-1log5

4log3+1log5=xlog3-xlog5

x=4*0.47712+1*0.69897/0.69897-0.47712

Read Solution (Total 0)

exam Other Question
the chairs for a concert are arranged so that each row has the same number of chairs. sarah has 4 chairs in front of her, and 8 chairs behind her. there are 5 seats to her left and 6 to her right. how many chairs are set up? can you help me solve this x=5y, it asks to graph each linear equation by finding x & y intercepts