Linear equations (grade 7)
Solve linear equations of the form px + q = r, p · (x + q) = r, equations with the unknown on both sides, and word problems translated into equations. Plus simple one-step linear inequalities. For grade 7.
Available exercises
Word problem with a linear equation
Translate a word problem into a linear equation (also shown) and solve x.
One-step linear inequality
Inequality "x + 3 > 7" — solve and write the result as "x cmp boundary".
Solve p · (x + q) = r
Linear equation of the form "3 · (x + 2) = 18". Find x.
Solve px + q = r
Linear equation of the form "3x + 5 = 14". Find x.