Which equation would best solve the following problem?
the height of a triangle is 6 m more than its base.
the area of the triangle is 56 m2. find the length of the base.
question 1 options:
56=1/2(x)(x+6)
56=12(x^2+6)
56=(x)(x+6)
56=x^2+6

Simonne used the following steps to simplify the given expression. 12-3(-2x+4) step 1: 12+(-)+(-3)(4) step 2: 12+6x+(-12) step 3: 12+(-12)+6x step 4: 0+6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? •identity property of addition •inverse property of addition •associative property of addition •commutative property of addition