Simplify the expression by combining any like terms. 19) 10x+5+5x+x+2 Objective: (2.1) Combine like terms. Simplify the expression. First use the distributive property to remove any parentheses. 20) -(-8m+2n-7) Objective: (2.1) Use the distributive property to remove parentheses. Write the following as an algebraic expression. Simplify if possible. 21) Subtract 3x-1 from 9x+7. Objective: (2.1) Write word phrases as algebraic expressions. Solve the equation. 22) 6z + 6-4(z+1)=-(3z-1) Objective: (2.2) Use both properties of equality to solve linear equations. 23)---3 Objective: (2.3) Solve equations containing fractions. 1 7 24)*+-* 5 5 Objective: (2.3) Solve equations containing fractions. 25)+2=x+ Objective: (2.3) Solve equations containing fractions.