Which expression is equivalent to the expression below?2.1 + (–3.7h) + 1.9h – 1.4
Answers
STEP
1
:
7
Simplify —
5
Equation at the end of step
1
:
21 37 19 7
((——+(0-(——•h)))+(——•h))-—
10 10 10 5
STEP
2
:
19
Simplify ——
10
Equation at the end of step
2
:
21 37 19 7
((——+(0-(——•h)))+(——•h))-—
10 10 10 5
STEP
3
:
37
Simplify ——
10
Equation at the end of step
3
:
21 37 19h 7
((——+(0-(——•h)))+———)-—
10 10 10 5
STEP
4
:
21
Simplify ——
10
Equation at the end of step
4
:
21 -37h 19h 7
((—— + ————) + ———) - —
10 10 10 5
STEP
5
:
Adding fractions which have a common denominator :
5.1 Adding fractions which have a common denominator
Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:
21 + -37h 21 - 37h
————————— = ————————
10 10
Equation at the end of step
5
:
(21 - 37h) 19h 7
(—————————— + ———) - —
10 10 5
STEP
6
:
Adding fractions which have a common denominator :
6.1 Adding fractions which have a common denominator
Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:
(21-37h) + 19h 21 - 18h
—————————————— = ————————
10 10
Equation at the end of step
6
:
(21 - 18h) 7
—————————— - —
10 5
STEP
7
:
STEP
8
:
Pulling out like terms :
8.1 Pull out like factors :
21 - 18h = -3 • (6h - 7)
Calculating the Least Common Multiple :
8.2 Find the Least Common Multiple
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