Answer:
22
Step-by-step explanation:
11) 7 + -10+(4(5+-3)) = 7+-10+8=5
12) (12 +-10)+3x+-1(2x+4x), 12+-10x+3x+-2x+-4x = 12+-13x
Answer: X=7
Y=-2
Step-by-step explanation:
Please can i get brainliest
Answer:
a
Step-by-step explanation:
hope this helps :)
Answer:
Different substances are made of different PARTICLES.
Some particles JOIN each other more than others, which means that space between the particles is very small.