Math Problem Statement

A+H=120 B+H=129 C+H=138 D+H=111 E+H=147 F+H=102 G+H=132 H+A=120 I+A=109 J+A=91 K+A=92 L+A=119 M+A=113 N+A=131

THEN FIND H

Solution

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Math Problem Analysis

Mathematical Concepts

Algebra
System of Linear Equations

Formulas

H = Total - Variable

Theorems

Basic properties of linear equations
Substitution method

Suitable Grade Level

Grades 6-8