Detailed solutions for обучающие работы (training works) from Prosveshchenie are often available for specific sections like O-3 №4.
Rational numbers, properties of arithmetic operations, monomials and polynomials, and linear equations/inequalities.
For targeted answers to control works (контрольные работы), you can search for the authors of your specific didactic material: How to Find Specific Solutions Algebraic didactic materials
Finding detailed solutions for algebra tests in didactic materials (GDZ) often requires identifying the specific textbook and grade level. How to Find Specific Solutions
Algebraic didactic materials generally focus on the following curriculum: the interval method
Resources like YouTube provide video solutions for Control Work №3, Variant 1, and other specific variants.
Inequalities with two variables, the interval method, fractional rational equations, and quadratic inequalities. Essential Algebra Skills for Tests fractional rational equations
Sites like Byju's list standard problems for practice, including equations like Core Topics by Grade Level