Answer:
m = -10
Step-by-step explanation:
0.61m - 1.51m = 9
-0.90m = 9
mutiply both sides by -1.111111111111, twelve 1's after the decimal point
also to find what number u need to multiply to make -0.9m to m, divide 0.9 by 1 and that equals 1.111111111111 so yea a lot of ones haha
m = -10
