Combine like terms and simplify: -x + 4x - 3 + 7.

Simplify by distributing and combining like terms: -2(3x - 4) + 5x.

Are the terms 2a²b and -3ab² like terms? Select the best justification.

Expand 5(0.2x + 3).

Which expansion of -4(2x - 3y + 5) is correct?

Consider the pair of expressions: A = 2(a + b) + 3b and B = 2a + 5b. Are A and B equivalent for all values of a and b? Provide justification.

Translate the phrase into an algebraic expression using the strategy of mapping keywords to operations: "three times the sum of y and four."

A baker uses three times as much flour as sugar. If the total combined cups of flour and sugar is 8 cups, use the strategy of assigning variables and forming a single equation to find how many cups of sugar and flour were used.

Use the grouping and distribution strategy to translate and solve: "The square of a number minus twice the number is 15." Translate into an equation and find all real solutions.