book Maths Puzzle Numerical Ability

In the exercises 23 it said to solve the given linear equation and check your answer. will I must be doing everthing wrong for I cant get the right answer.
can you help me -4(2x+1)-(x-2)=-11

Read Solution (Total 0)

book Other Question

91+24q+ -27q How do you solve for linear equations with this problem: 4x+3y=5
-3x-6y=0