Use the numbers 12,12,12,12,23,23,31,31,49 to add up to 100 exactly(not necessary to use all the
answer faster
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49,12, 39

Step-by-step explanation:

49+12+39=100

are you missing any numbers ? or forgetting any of the rules ?

arrange the equations with like terms in columns.

analyze the coefficients of x or y.

add the equations and solve for the remaining variable.

substitute the value into either equation and solve.

check the solution.

step-by-step explanation:

r and t.

both are 64 degrees.