book Maths Puzzle Numerical Ability

I am trying to help a friend with her homework, but we have both hit a brick wall, can someone send us the process to solve the following equation?
2/5(10x+25)=-10-4(x+3)
Thank you so much for your help.
Patty & Sunshine

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book Other Question

what are the cordinates of the x-intercept of the line 2x-5y=6 solve by using the addition method

x-y=100
0.20x+0.06y=150